| Actinolite | |
|---|
| Formula: | ☐{Ca2}{(Mg,Fe2+)5}(Si8O22)(OH)2 |
| Localities: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Unspecified Actinolite occurrence, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Southwest of San Benito Peak, San Benito Peak (San Benito Mountain), San Benito Mountain Natural Area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Aegirine |  |
|---|
| Formula: | NaFe3+Si2O6 |
| Localities: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Panoche Pass, Diablo Range, San Benito Co., California, USA
Mina Numero Uno, Clear Creek, Hernandez, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © Len Pisciotta 2008. Aegirine from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Agardite-(La) | |
|---|
| Formula: | (La,Ce)Cu6(AsO4)3(OH)6 · 3H2O |
| Locality: | Perovskite Peak (Perovskite Hill), Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Agardite-(Y) | |
|---|
| Formula: | (Y,Ca)Cu6(AsO4)2(AsO4,HAsO4)(OH)6 · 3H2O |
| Locality: | Chlorite Schist Knob area, South of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Albite |  |
|---|
| Formula: | NaAlSi3O8 |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
| Localities: | Recorded from at least 7 other localities in this region. |
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| Photo: © Weinrich Minerals, Inc.. Albite from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Almandine | |
|---|
| Formula: | Fe2+3Al2(SiO4)3 |
| Locality: | Coalinga Asbestos Mine (Coalinga Mine; Coalinga Asbestos deposit), Coalinga area, Diablo Range, San Benito Co., California, USA |
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| 'Almandine-Pyrope Series' | |
|---|
| Locality: | Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Alunogen | |
|---|
| Formula: | Al2(SO4)3 · 17H2O |
| Locality: | Lea-Grant Mine (Lea Grant Mine; Toothache Mine; Wild Turkey Mine; Juniper Mine; Jupiter Mine), Diablo Range, San Benito Co., California, USA |
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| Analcime | |
|---|
| Formula: | Na2(Al2Si4O12) · 2H2O |
| Localities: | Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA
Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed Zeolite-Amphibole occurrence, West of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Southwest of San Benito Peak, San Benito Peak (San Benito Mountain), San Benito Mountain Natural Area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Anatase | |
|---|
| Formula: | TiO2 |
| Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Andradite |  |
|---|
| Formula: | Ca3Fe3+2(SiO4)3 |
| Localities: | Reported from at least 8 localities in this region. |
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| Photo: © 2004 Peter Cristofono. Andradite from Perovskite Peak, Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Andradite var: Demantoid |  |
|---|
| Localities: | Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito Co., California, USA
Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © 2001 John H. Betts. Demantoid from Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito Co., California, USA |
| Andradite var: Melanite |  |
|---|
| Localities: | Reported from at least 8 localities in this region. |
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| Photo: © 2002 John H. Betts. Melanite from New Idria District, Diablo Range, San Benito Co., California, USA |
| Andradite var: Topazolite |  |
|---|
| Localities: | New Idria District, Diablo Range, San Benito Co., California, USA
Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito Co., California, USA
San Benito Peak (San Benito Mountain), San Benito Mountain Natural Area, New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed Garnet occurrence, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © JM. Johannet. Topazolite from Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito Co., California, USA |
| Anilite | |
|---|
| Formula: | Cu7S4 |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Anthophyllite | |
|---|
| Formula: | ☐{Mg2}{Mg5}(Si8O22)(OH)2 |
| Locality: | Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Antigorite | |
|---|
| Formula: | Mg3(Si2O5)(OH)4 |
| Localities: | Coalinga Asbestos Mine (Coalinga Mine; Coalinga Asbestos deposit), Coalinga area, Diablo Range, San Benito Co., California, USA
Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
New Idria District, Diablo Range, San Benito Co., California, USA
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| 'Apatite' |  |
|---|
| Localities: | Reported from at least 6 localities in this region. |
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| Photo: © Len Pisciotta 2008. Apatite from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Aragonite | |
|---|
| Formula: | CaCO3 |
| Localities: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Artinite pit, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Arsenopyrite | |
|---|
| Formula: | FeAsS |
| Locality: | Molina Mine (Molino Mine), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Artinite |  |
|---|
| Formula: | Mg2(CO3)(OH)2 · 3H2O |
| Localities: | Reported from at least 6 localities in this region. |
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| Photo: © Bert Hendriksen. Artinite from Artinite pit, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| 'Asbestos' | |
|---|
| Localities: | San Benito Asbestos Company Mine, Sampson Peak, New Idria District, Diablo Range, San Benito Co., California, USA
St. Thomas Mine (Simms Asbestos property), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed Asbestos prospect (2), Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed Asbestos occurrence (5), San Benito Peak (San Benito Mountain), San Benito Mountain Natural Area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Aurivilliusite (TL) | |
|---|
| Formula: | (Hg+2)0.5Hg2+(I,Br,Cl)O |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | Roberts, A.C., J.A.R. Stirling, A.J. Criddle, G.E. Dunning, J. Spratt (2004) Mineralogical Magazine: 68(2): 241-245. |
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| Baddeleyite | |
|---|
| Formula: | ZrO2 |
| Localities: | Perovskite Peak (Perovskite Hill), Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Chlorite Schist Knob area, South of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Banalsite | |
|---|
| Formula: | BaNa2[Al2Si2O8]2 |
| Locality: | Banalsite occurrence, Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Baotite | |
|---|
| Formula: | Ba4(Ti,Nb)8Si4O28Cl |
| Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Bario-orthojoaquinite (TL) |  |
|---|
| Formula: | (Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2O |
| Type Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Habit: | Steep bipyramidal, truncated by the basal pinacoid. |
| Colour: | Unknown |
| Description: | Occurs in natrolite-filled veins cutting blueschist. Veins occur below the benitoite-neptunite joaquinite. Crystals to 8 mm long. |
| Reference: | American Mineralogist (1982): 67: 809-816; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 470. |
| Localities: | Recorded from at least 1 other locality in this region. |
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| Photo: © Knut Eldjarn. Bario-orthojoaquinite from Victor claim, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Barioperovskite (TL) |  |
|---|
| Formula: | BaTiO3 |
| Type Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Habit: | Unknown |
| Colour: | Unknown |
| Reference: | IMA website - Proposals approved in January 2007 |
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| Photo: © Caltech. Barioperovskite from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
'Barkevikite' | |
|---|
| Locality: | Unnamed Zeolite-Amphibole occurrence, West of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Baryte | |
|---|
| Formula: | BaSO4 |
| Localities: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Yellow Jacket Mine, Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA
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| Beidellite | |
|---|
| Formula: | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
| Localities: | Perovskite Peak (Perovskite Hill), Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Chlorite Schist Knob area, South of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Bementite | |
|---|
| Formula: | Mn7Si6O15(OH)8 |
| Localities: | Hawkins Mine (Hawkins Ranch), Antimony Peak, Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA
Hendricks Mine (Cleveland Mine), Diablo Range, San Benito Co., California, USA
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| Benitoite (TL) |  |
|---|
| Formula: | BaTi(Si3O9) |
| Type Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Habit: | Euhedral and anhedral crystals |
| Colour: | Colorless, sapphire-blue. |
| Fluorescence: | Blue (SW UV) |
| Description: | Occurs as crystals attached to vein walls in natrolite-filled veins. |
| Reference: | Louderback, George Davis & Walter C. Blasdale (1909), Benitoite, its mineralogy, paragenesis and mode of occurrence: University of California, Department of Geological Sciences Bulletin: 5: 331; Louderback, George Davis & Walter C. Blasdale (1907), Benitoite, a new California gem mineral, with chemical analysis by Walter C. Blasdale: University of California, Department of Geological Sciences Bulletin: 5: 149-153; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 102; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 372, 466; Wise, W.S & Gill, R.H. (1977): Minerals of the Benitoite Gem mine. Mineralogical Record 8, 442-452. |
| Localities: | Recorded from at least 5 other localities in this region. |
| Photo: © 1995-2001 Trinity Mineral Co.. Benitoite from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| 'Bentonite' | |
|---|
| Localities: | Ashurst - Lewis pit, Llanada, Diablo Range, San Benito Co., California, USA
Wilbur Ellis Company Bentonite deposit, Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
Vallecitos Clay Mine, Sampson Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Brochantite | |
|---|
| Formula: | Cu4(SO4)(OH)6 |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Brucite | |
|---|
| Formula: | Mg(OH)2 |
| Localities: | Coalinga Asbestos Mine (Coalinga Mine; Coalinga Asbestos deposit), Coalinga area, Diablo Range, San Benito Co., California, USA
New Idria District, Diablo Range, San Benito Co., California, USA
Florence Mac Mine (Florence Mack Mine) area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Calcite | |
|---|
| Formula: | CaCO3 |
| Localities: | Reported from at least 10 localities in this region. |
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| Calomel |  |
|---|
| Formula: | (Hg+2)Cl2 |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Photo: © 2011, JGW. Calomel from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Carpathite |  |
|---|
| Formula: | C24H12 |
| Localities: | 4th of July Mine, Flint group (Boston; Fourth of July; Monterey; Andy Johnson claim; Red Rock; Clear Creek), Hernandez, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Picacho Mine (Picachos Mine; Los Picachos Mine; Picahotes Mine; Benta Mine; Hernandez Mine; Ramirez Mine; Bonanza Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Leza pit No. 1, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © Antonio Borrelli. Carpathite from Picacho Mine, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Celestine | |
|---|
| Formula: | SrSO4 |
| Locality: | Butts Mine (Butts Quicksilver Mine; IXL Mine), Pine Rock summit area, San Benito, Diablo Range, San Benito Co., California, USA |
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| Cervantite | |
|---|
| Formula: | Sb3+Sb5+O4 |
| Locality: | Ambrose Mine (Rip Van Winkle Mine), Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA |
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| Chalcanthite | |
|---|
| Formula: | CuSO4 · 5H2O |
| Locality: | Antelope Mine, Llanada, Diablo Range, San Benito Co., California, USA |
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| Chalcocite | |
|---|
| Formula: | Cu2S |
| Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Chalcopyrite | |
|---|
| Formula: | CuFeS2 |
| Locality: | Lewis and Clark claim (Lewis Creek), Diablo Range, San Benito Co., California, USA |
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| 'Chert' | |
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| Localities: | Fries Ranch Mine (Rancho Queen Sabe), Fries Ranch, Antimony Peak, Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA
Lawsonite-Glauconite occurrence, Glaucophane Ridge, Diablo Range, San Benito Co., California, USA
Hawkins Mine (Hawkins Ranch), Antimony Peak, Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA
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| 'Chlorite Group' | |
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| Localities: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed Ti-Fe occurrence, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Chlorite Schist Knob area, South of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Chromite |  |
|---|
| Formula: | Fe2+Cr3+2O4 |
| Localities: | Reported from at least 20 localities in this region. |
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| Photo: © Paul J Broyles 2011. Chromite from Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Chrysocolla | |
|---|
| Formula: | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O (x < 1) |
| Localities: | Llanada Copper Mine, Llanada, Panoche Valley, Diablo Range, San Benito Co., California, USA
Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA
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| Chrysotile | |
|---|
| Formula: | Mg3(Si2O5)(OH)4 |
| Localities: | Reported from at least 7 localities in this region. |
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| Cinnabar |  |
|---|
| Formula: | HgS |
| Localities: | Reported from at least 43 localities in this region. |
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| Photo: © Morphogenesis 2008. Cinnabar from New Idria District, Diablo Range, San Benito Co., California, USA |
| 'Clay' | |
|---|
| Locality: | Paicines Clay deposits, Emmett, Diablo Range, San Benito Co., California, USA |
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| Clearcreekite (TL) | |
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| Formula: | (Hg+2)1.5(CO3)(OH) · 2H2O |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | Mineralogical Record: 33: 162; Canadian Mineralogist (2001): 39: 779-784. |
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| Clinochlore |  |
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| Formula: | (Mg,Fe2+)5Al(AlSi3O10)(OH)8 |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
| Localities: | Recorded from at least 7 other localities in this region. |
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| Photo: © SMS 2008. Clinochlore from New Idria District, Diablo Range, San Benito Co., California, USA |
| Clinochlore var: Chromian Clinochlore | |
|---|
| Formula: | Mg5(Al,Cr)2Si3O10(OH)8 |
| Localities: | Unspecified Cr occurrence (2), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed Cr occurrence, San Benito Chrome Mill area, West of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Clinochlore var: Pennine | |
|---|
| Localities: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Chlorite Schist Knob area, South of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| 'Clinopyroxene Subgroup' | |
|---|
| Locality: | Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Clinozoisite | |
|---|
| Formula: | {Ca2}{Al3}(Si2O7)(SiO4)O(OH) |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
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| Coalingite (TL) |  |
|---|
| Formula: | Mg10Fe3+2(OH)24[CO3] · 2H2O |
| Type Locality: | New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | American Mineralogist 1965: 50: 1893-1913. |
| Localities: | Recorded from at least 2 other localities in this region. |
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| Photo: © Knut Eldjarn. Coalingite from Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Copper | |
|---|
| Formula: | Cu |
| Localities: | Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA
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| Covellite | |
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| Formula: | CuS |
| Localities: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA
Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| 'Crossite' | |
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| Localities: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Panoche Pass, Diablo Range, San Benito Co., California, USA
Mina Numero Uno, Clear Creek, Hernandez, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Cymrite | |
|---|
| Formula: | BaAl2Si2(O,OH)8 · H2O |
| Locality: | Cymrite-Jadeite occurrence, Panoche Pass, Diablo Range, San Benito Co., California, USA |
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| Datolite | |
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| Formula: | Ca(HBSiO5) |
| Localities: | Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Clear Creek Canyon, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Deanesmithite (TL) |  |
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| Formula: | (Hg+2)Hg2+3(CrO4)S2O |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | Canadian Mineralogist (1993): 31: 787-793.; Mineralogical Record (1993): 24: 471-475. |
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| Photo: © Knut Eldjarn. Deanesmithite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Deerite | |
|---|
| Formula: | (Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5 |
| Localities: | Northwest of Panoche Pass, Panoche Pass, Llanada, Diablo Range, San Benito Co., California, USA
Panoche Pass, Diablo Range, San Benito Co., California, USA
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| Desautelsite |  |
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| Formula: | Mg6Mn3+2(OH)16[CO3] · 4H2O |
| Localities: | Artinite pit, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Coalinga Asbestos Mine (Coalinga Mine; Coalinga Asbestos deposit), Coalinga area, Diablo Range, San Benito Co., California, USA
Unnamed prospect, Northeast of Picacho Peak, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © 2004 ROM. Desautelsite from Artinite pit, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Diadochite | |
|---|
| Formula: | Fe3+2(PO4)(SO4)(OH) · 5H2O |
| Locality: | New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Digenite | |
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| Formula: | Cu9S5 |
| Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Diopside | |
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| Formula: | CaMgSi2O6 |
| Localities: | Reported from at least 7 localities in this region. |
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| Djurleite |  |
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| Formula: | Cu31S16 |
| Localities: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © db. Djurleite from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Dolomite | |
|---|
| Formula: | CaMg(CO3)2 |
| Localities: | Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Molina Mine (Molino Mine), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
Santa Rita Mine (Union Carbide Nuclear; Santa Rita Asbestos Mine; Joe 5 pit; Joe 7-5 Mine; KCAC Mine), Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Donharrisite |  |
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| Formula: | Ni8Hg3S9 |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Photo: © Knut Eldjarn. Donharrisite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Dypingite |  |
|---|
| Formula: | Mg5(CO3)4(OH)2 · 5H2O |
| Localities: | Artinite pit, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed prospect, Northeast of Picacho Peak, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © D. Preite - M.C.. Dypingite from New Idria District, Diablo Range, San Benito Co., California, USA |
| Edgarbaileyite (TL) |  |
|---|
| Formula: | (Hg-Hg)3Si2O7 |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | Mineralogical Record: 21: 215-220.; Mineralogical Record (1993): 24: 471-475. |
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| Photo: © Maurice de Graaf. Edgarbaileyite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Edoylerite (TL) |  |
|---|
| Formula: | Hg2+3(CrO4)S2 |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Description: | White paper available upon request |
| Reference: | Mineralogical Record (1993): 24(6): 471-480; Dunning, Hadley, Cooper, Magnasco collections |
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| Photo: © Thomas Witzke. Edoylerite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Eglestonite | |
|---|
| Formula: | (Hg+2)3Cl3O(OH) |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Epidote | |
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| Formula: | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
| Localities: | Recorded from at least 1 other locality in this region. |
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| Epsomite | |
|---|
| Formula: | MgSO4 · 7H2O |
| Localities: | Yellow Jacket Mine, Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA
Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
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| Eskolaite |  |
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| Formula: | Cr2O3 |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Photo: © 2011, JGW. Eskolaite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| 'Feldspar Group' | |
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| Locality: | Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA |
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| 'Ferro-Actinolite-Tremolite Series var: Nephrite' |  |
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| Locality: | Paicines Clay deposits, Emmett, Diablo Range, San Benito Co., California, USA |
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| Photo: © Rob Lavinsky . Nephrite from Paicines Clay deposits, Emmett, Diablo Range, San Benito Co., California, USA |
| Ferro-hornblende |  |
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| Formula: | ☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2 |
| Localities: | San Benito Peak (San Benito Mountain), San Benito Mountain Natural Area, New Idria District, Diablo Range, San Benito Co., California, USA
New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed Amphibole occurrence (1), WSW of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed Zeolite-Amphibole occurrence, West of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © 2008 Jesse Crawford. Ferro-hornblende from San Benito Peak, San Benito Mountain Natural Area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Fluorapatite |  |
|---|
| Formula: | Ca5(PO4)3F |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
| Localities: | Recorded from at least 3 other localities in this region. |
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| Photo: © Minresco. Fluorapatite from San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Fluorapatite var: Strontian Apatite | |
|---|
| Formula: | (Ca,Sr)5(PO4)3F |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Fluorstrophite | |
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| Formula: | SrCaSr3(PO4)3F |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Fresnoite |  |
|---|
| Formula: | Ba2Ti(Si2O7)O |
| Localities: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © Rob Lavinsky. Fresnoite from Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA |
| Galena | |
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| Formula: | PbS |
| Locality: | Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA |
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| 'Garnet' | |
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| Formula: | X3Z2(SiO4)3 |
| Localities: | Crest of hill 4461, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Panoche Pass, Diablo Range, San Benito Co., California, USA
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| 'Garnierite' ? | |
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| Locality: | Unconfirmed Ni occurrence, Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA - erroneously reported |
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| Gianellaite | |
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| Formula: | (Hg2N)2SO4 |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Glaucophane |  |
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| Formula: | ◻[Na2][Mg3Al2]Si8O22(OH)2 |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
| Localities: | Recorded from at least 5 other localities in this region. |
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| Photo: © Charles Creekmur. Glaucophane from Diablo Range, San Benito Co., California, USA |
| Goethite | |
|---|
| Formula: | α-Fe3+O(OH) |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| 'Grossular-Hibschite Series' | |
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| Locality: | Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Grunerite | |
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| Formula: | ☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2 |
| Locality: | Panoche Pass, Diablo Range, San Benito Co., California, USA |
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| Gypsum | |
|---|
| Formula: | CaSO4 · 2H2O |
| Localities: | Reported from at least 9 localities in this region. |
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| Halotrichite | |
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| Formula: | FeAl2(SO4)4 · 22H2O |
| Locality: | Yellow Jacket Mine, Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA |
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| Hanawaltite (TL) | |
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| Formula: | (Hg+2)3Hg2+(Cl,OH)2O3 |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | Mineralogical Record: 27: 463; Canadian Mineralogist: 34: 61-72. |
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| Hematite | |
|---|
| Formula: | Fe2O3 |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| 'Hornblende' | |
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| Localities: | Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Panoche Pass, Diablo Range, San Benito Co., California, USA
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| Howieite | |
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| Formula: | Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 |
| Locality: | Panoche Pass, Diablo Range, San Benito Co., California, USA |
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| Huntite | |
|---|
| Formula: | CaMg3(CO3)4 |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Hydromagnesite |  |
|---|
| Formula: | Mg5(CO3)4(OH)2 · 4H2O |
| Localities: | Reported from at least 8 localities in this region. |
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| Photo: © JSS. Hydromagnesite from New Idria District, Diablo Range, San Benito Co., California, USA |
| Hydrotalcite | |
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| Formula: | Mg6Al2(OH)16[CO3] · 4H2O |
| Localities: | New Idria District, Diablo Range, San Benito Co., California, USA
New Idria Serpentine mass, New Idria District, Diablo Range, San Benito Co., California, USA
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| Idrialite | |
|---|
| Formula: | C22H14 |
| Locality: | New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Ilmenite |  |
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| Formula: | Fe2+TiO3 |
| Localities: | Reported from at least 6 localities in this region. |
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| Photo: © 2001 John H. Betts. Ilmenite from New Idria District, Diablo Range, San Benito Co., California, USA |
| Jadeite |  |
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| Formula: | Na(Al,Fe3+)Si2O6 |
| Localities: | Reported from at least 6 localities in this region. |
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| Photo: © 4/2004. Jadeite from Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Jarosite | |
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| Formula: | KFe3+ 3(SO4)2(OH)6 |
| Localities: | New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA
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| Joaquinite-(Ce) (TL) |  |
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| Formula: | NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2O |
| Type Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Habit: | Equant |
| Colour: | Honey-yellow to orange-brown |
| Reference: | Louderback, George Davis & Walter C. Blasdale (1909), Benitoite, its mineralogy, paragenesis and mode of occurrence: University of California, Department of Geological Sciences Bulletin: 5: 376; Palache, Charles & William Frederick Foshag (1932), The chemical nature of joaquinite: American Mineralogist: 17: 308-312; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 102, 234; Wise, W.S & Gill, R.H. (1977): Minerals of the Benitoite Gem mine. Mineralogical Record 8, 442-452; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 470.; William S. Wise (1982) Strontiojoaquinite and bario-orthojoaquinite: two new members of the joaquinite group . American Mineralogist 67:809-81 |
| Localities: | Recorded from at least 3 other localities in this region. |
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| Photo: © Elmar Lackner 2009. Joaquinite-(Ce) from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Jonesite (TL) |  |
|---|
| Formula: | Ba4(K,Na)2Ti4Al2(Si3O9)2(SiO4)4O2 · 6H2O |
| Type Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Habit: | Radiating aggregates |
| Colour: | Colorless |
| Description: | Occurs as minute crystals. |
| Reference: | Wise, W.S & Gill, R.H. (1977): Minerals of the Benitoite Gem mine. The Mineralogical Record 8, 442-452; Wise, W.S. & Pabst, A. (1977): Jonesite a new mineral from the Benitoite Gem mine, San Benito County, California. The Mineralogical Record 8, 453-456; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 472. |
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| Photo: © 1995-2001 Trinity Mineral Co.. Jonesite from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Kaolinite | |
|---|
| Formula: | Al2(Si2O5)(OH)4 |
| Locality: | Ambrose Mine (Rip Van Winkle Mine), Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA |
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| 'K Feldspar var: Adularia' | |
|---|
| Formula: | KAlSi3O8 |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Koninckite | |
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| Formula: | Fe3+PO4 · 3H2O |
| Locality: | New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Lawsonite | |
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| Formula: | CaAl2(Si2O7)(OH)2 · H2O |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
| Localities: | Recorded from at least 4 other localities in this region. |
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| Libethenite | |
|---|
| Formula: | Cu2(PO4)(OH) |
| Locality: | Llanada Copper Mine, Llanada, Panoche Valley, Diablo Range, San Benito Co., California, USA |
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| 'Limonite' | |
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| Formula: | FeO(OH) · nH2O |
| Locality: | 4th of July Mine, Flint group (Boston; Fourth of July; Monterey; Andy Johnson claim; Red Rock; Clear Creek), Hernandez, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Lizardite | |
|---|
| Formula: | Mg3(Si2O5)(OH)4 |
| Localities: | Coalinga Asbestos Mine (Coalinga Mine; Coalinga Asbestos deposit), Coalinga area, Diablo Range, San Benito Co., California, USA
New Idria District, Diablo Range, San Benito Co., California, USA
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| Magnesiochromite | |
|---|
| Formula: | Mg(Cr,Al,Fe)2O4 |
| Localities: | Reported from at least 11 localities in this region. |
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| Magnesioferrite | |
|---|
| Formula: | MgFe3+2O4 |
| Locality: | Unnamed Ti-Fe occurrence, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Magnesio-hornblende | |
|---|
| Formula: | ☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2 |
| Locality: | Coalinga Asbestos Mine (Coalinga Mine; Coalinga Asbestos deposit), Coalinga area, Diablo Range, San Benito Co., California, USA |
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| Magnesite | |
|---|
| Formula: | MgCO3 |
| Localities: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Sampson Magnesite Mine (Sampson claims; Sampson Magnesite claims; Maltby No. 3 Mine), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
Bonanza Quicksilver Mine (Bonanza Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Standard group (Jerome claim), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
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| Magnesite var: Ferroan Magnesite | |
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| Formula: | (Mg,Fe)CO3 |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Magnetite |  |
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| Formula: | Fe2+Fe3+2O4 |
| Localities: | Reported from at least 10 localities in this region. |
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| Photo: © 2008 Brandy Naugle. Magnetite from Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Malachite | |
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| Formula: | Cu2(CO3)(OH)2 |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Marcasite | |
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| Formula: | FeS2 |
| Locality: | Molina Mine (Molino Mine), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Melanophlogite | |
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| Formula: | 46SiO2 · 6(N2,CO2) · 2(CH4,N2) |
| Localities: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Vaughn Mine, Diablo Range, San Benito Co., California, USA
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| Melanterite | |
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| Formula: | FeSO4 · 7H2O |
| Localities: | Yellow Jacket Mine, Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA
New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
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| Mercury |  |
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| Formula: | Hg |
| Localities: | Reported from at least 9 localities in this region. |
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| Photo: © John Sobolewski. Mercury from New Idria Mine, Idria, New Idria District, Diablo Range, San Benito Co., California, USA |
| Metacinnabar | |
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| Formula: | HgS |
| Localities: | Reported from at least 11 localities in this region. |
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| Metacinnabar var: Onofrite | |
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| Formula: | Hg(S,Se) |
| Locality: | New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Millerite |  |
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| Formula: | NiS |
| Localities: | New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © 2011, JGW. Millerite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Montmorillonite | |
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| Formula: | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Localities: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA
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| Montroydite |  |
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| Formula: | HgO |
| Localities: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © Maurice de Graaf. Montroydite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Mosesite | |
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| Formula: | (Hg2N)(Cl,SO4,MoO4) · H2O |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Mountkeithite |  |
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| Formula: | [(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2O |
| Locality: | Clear Creek Canyon, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Photo: © crocoite.com. Mountkeithite from Clear Creek Canyon, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Muscovite | |
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| Formula: | KAl2(AlSi3O10)(OH)2 |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Natrolite |  |
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| Formula: | Na2Al2Si3O10 · 2H2O |
| Localities: | Reported from at least 7 localities in this region. |
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| Photo: © . Natrolite from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Népouite | |
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| Formula: | (Ni,Mg)3(Si2O5)(OH)4 |
| Locality: | Aurora Mine, Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Neptunite |  |
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| Formula: | Na2KLi(Fe2+,Mn2+)2Ti2(Si8O24) |
| Localities: | Reported from at least 6 localities in this region. |
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| Photo: © Rob Lavinsky. Neptunite from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Nesquehonite | |
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| Formula: | MgCO3 · 3H2O |
| Locality: | Florence Mac Mine (Florence Mack Mine) area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Nimite | |
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| Formula: | (Ni,Mg,Al)6((Si,Al)4O10)(OH)8 |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Nissonite (TL) |  |
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| Formula: | Cu2Mg2(PO4)2(OH)2 · 5H2O |
| Type Locality: | Llanada Copper Mine, Llanada, Panoche Valley, Diablo Range, San Benito Co., California, USA |
| Reference: | Mrose, M.E., Meyrowitz, R., Alfors, J.T., and Chesterman, C.W. (1967) Nissonite. American Mineralogist: 52: 927; Hey, CIM: 498. |
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| Photo: © Brent Thorne. Nissonite from Llanada Copper Mine, Llanada, Panoche Valley, Diablo Range, San Benito Co., California, USA |
| Omphacite | |
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| Formula: | (Ca,Na)(Mg,Al)Si2O6 |
| Locality: | Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Opal | |
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| Formula: | SiO2 · nH2O |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Opal var: Diatomite | |
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| Locality: | Reported Diatomite deposit (1), Diablo Range, San Benito Co., California, USA |
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| Orthoclase | |
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| Formula: | KAlSi3O8 |
| Localities: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed Garnet occurrence, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Orthojoaquinite-(Ce) (TL) | |
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| Formula: | NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O |
| Type Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Habit: | Unknown |
| Colour: | Unknown |
| Reference: | American Mineralogist (1982): 67: 809-816. |
| Localities: | Recorded from at least 1 other locality in this region. |
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| Pecoraite | |
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| Formula: | Ni3(Si2O5)(OH)4 |
| Localities: | New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Pectolite | |
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| Formula: | NaCa2(HSi3O9) |
| Localities: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Rozzum Ridge Cr occurrence, Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
Dallas Gem Mine West trail, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Perovskite |  |
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| Formula: | CaTiO3 |
| Localities: | Coalinga Asbestos Mine (Coalinga Mine; Coalinga Asbestos deposit), Coalinga area, Diablo Range, San Benito Co., California, USA
Perovskite Peak (Perovskite Hill), Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Chlorite Schist Knob area, South of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © SMS 2008. Perovskite from Perovskite Peak, Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Peterbaylissite (TL) | |
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| Formula: | (Hg+2)1.5(CO3)(OH) · 2H2O |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | ROBERT, A.C., ERCIT, T.S., GROAT, L.A., CRIDDLE, A.J., ERD, R.C. & WILLIAMS, R.S. (1995) Peterbaylissite, Hg1+3(CO3)(OH)2H2O, a new mineral species from Clear Creek claim, San Benito County, California. Canadian Mineralogist 33, 47-53. |
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| 'Phengite' | |
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| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
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| Prehnite | |
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| Formula: | Ca2Al2Si3O10(OH)2 |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Pseudomalachite | |
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| Formula: | Cu5(PO4)2(OH)4 |
| Localities: | Perovskite Peak (Perovskite Hill), Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Chlorite Schist Knob area, South of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| 'Psilomelane' | |
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| Localities: | Chambers property, Diablo Range, San Benito Co., California, USA
McCreary Ranch, Llanada, Diablo Range, San Benito Co., California, USA
Lewis Ranch, Diablo Range, San Benito Co., California, USA
Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Fries Ranch Mine (Rancho Queen Sabe), Fries Ranch, Antimony Peak, Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA
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| 'Pumpellyite' | |
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| Localities: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Pumpellyite-(Fe2+) | |
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| Formula: | Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
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| Pumpellyite-(Mg) | |
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| Formula: | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| Locality: | Coalinga Asbestos Mine (Coalinga Mine; Coalinga Asbestos deposit), Coalinga area, Diablo Range, San Benito Co., California, USA |
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| Pyrite | |
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| Formula: | FeS2 |
| Localities: | Reported from at least 6 localities in this region. |
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| Pyroaurite | |
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| Formula: | Mg6Fe3+2(OH)16[CO3] · 4H2O |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Pyrolusite | |
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| Formula: | MnO2 |
| Locality: | Hendricks Mine (Cleveland Mine), Diablo Range, San Benito Co., California, USA |
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| Pyrrhotite | |
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| Formula: | Fe1-xS (x = 0 to 0.17) |
| Locality: | Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Quartz | |
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| Formula: | SiO2 |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
| Localities: | Recorded from at least 13 other localities in this region. |
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| Quartz var: Amethyst | |
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| Formula: | SiO2 |
| Locality: | San Carlos Mine, Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Quartz var: Chalcedony |  |
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| Localities: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
El Cajon Mine (Gough Mine; Mathews Mine), Diablo Range, San Benito Co., California, USA
Phipps Mine, Emmett, Diablo Range, San Benito Co., California, USA
Picacho Mine (Picachos Mine; Los Picachos Mine; Picahotes Mine; Benta Mine; Hernandez Mine; Ramirez Mine; Bonanza Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © Roberto Bosi. Chalcedony from Picacho Mine, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Quartz var: Jasper | |
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| Locality: | Hendricks Mine (Cleveland Mine), Diablo Range, San Benito Co., California, USA |
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| Reevesite |  |
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| Formula: | Ni6Fe3+2(OH)16(CO3) · 4H2O |
| Localities: | Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Unnamed Ni prospect (1), Clear Creek Canyon, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © Arliguie M. Reevesite from Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Rhodochrosite | |
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| Formula: | MnCO3 |
| Locality: | Hendricks Mine (Cleveland Mine), Diablo Range, San Benito Co., California, USA |
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| Riebeckite | |
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| Formula: | ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
| Locality: | Panoche Pass, Diablo Range, San Benito Co., California, USA |
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| Rozenite | |
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| Formula: | FeSO4 · 4H2O |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Rutile | |
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| Formula: | TiO2 |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
| Localities: | Recorded from at least 3 other localities in this region. |
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| Schorlomite | |
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| Formula: | Ca3(Ti,Fe3+)2((Si,Fe3+)O4)3 |
| Locality: | Perovskite Peak (Perovskite Hill), Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Schuetteite |  |
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| Formula: | Hg2+3(SO4)O2 |
| Localities: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Breen claim (Don Juan; Don Miguel; Nielson group; Cody; San Benito), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Photo: © Brent Thorne 2009. Schuetteite from Breen claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Sénarmontite | |
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| Formula: | Sb2O3 |
| Locality: | Yellow Jacket Mine, Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA |
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| Sepiolite | |
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| Formula: | Mg4(Si6O15)(OH)2 · 6H2O |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Sérandite |  |
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| Formula: | Na(Mn2+,Ca)2(HSi3O9) |
| Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Photo: © Weinrich Minerals, Inc.. Sérandite from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| 'Serpentine Group' | |
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| Formula: | D2[Si2O5](OH)4 + or - nH2O |
| Localities: | Reported from at least 12 localities in this region. |
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| 'Serpentine Group var: Marmolite' | |
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| Locality: | Unspecified Cr occurrence (2), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Silver | |
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| Formula: | Ag |
| Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Spinel | |
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| Formula: | MgAl2O4 |
| Localities: | Chlorite Schist Knob area, South of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Downstream of the Benitoite Mine, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Windy Mountain claim, East of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| 'Stevensite' | |
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| Formula: | (Ca,Na)xMg3-x(Si4O10)(OH)2 |
| Localities: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA
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| Stibnite |  |
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| Formula: | Sb2S3 |
| Localities: | Reported from at least 13 localities in this region. |
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| Photo: © Rob Lavinsky. Stibnite from Hollister, Diablo Range, San Benito Co., California, USA |
| Stilpnomelane | |
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| Formula: | (K,Ca,Na)(Fe2+,Mg,Al,Fe3+)8(Si,Al)12(O,OH)36 · nH2O |
| Localities: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Panoche Pass, Diablo Range, San Benito Co., California, USA
Lawsonite-Glauconite occurrence, Glaucophane Ridge, Diablo Range, San Benito Co., California, USA
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| Strontiojoaquinite (TL) |  |
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| Formula: | Sr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2O |
| Type Locality: | Mina Numero Uno, Clear Creek, Hernandez, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Habit: | Steep pseudotetragonal, bipyramidal. |
| Colour: | Green, yellow-green, yellow-brown (uncommon) |
| Description: | Occurs in the New Idria serpentinite body in albite-lined fractures cutting blueschist. |
| Reference: | Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 470; www.mineralsocal.org; William S. Wise (1982) Strontiojoaquinite and bario-orthojoaquinite: two new members of the joaquinite group . American Mineralogist 67:809-816. |
| Localities: | Recorded from at least 3 other localities in this region. |
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| Photo: © Maurice de Graaf. Strontiojoaquinite from Junnila Mine, New Idria District, Diablo Range, San Benito Co., California, USA |
| Sulphur | |
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| Formula: | S8 |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Szymańskiite (TL) |  |
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| Formula: | Hg16(Ni,Mg)6(CO3)12(OH)12 · 11H2O |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | ROBERTS, A.C., ERCIT, T.S., ERD, R.C. & OSCARSON, R.L. (1990): Szymańskiite,
Hg1+16(Ni,Mg)6(CO3)12(OH)12(H3O)1+83H2O, a new mineral species from the Clear Creek claim, San Benito Co., California. Canadian Mineralogist 28, 703-707.
SZYMAŃSKI, J.T. & ROBERTS, A.C. (1990): The crystal structure of szymańskiite, a partly disordered (Hg-Hg)2+, (Ni,Mg)2+ hydronium-carbonate-hydroxide-hydrate. Canadian Mineralogist 28, 709-718.
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| Photo: © Knut Eldjarn. Szymańskiite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Talc | |
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| Formula: | Mg3(Si4O10)(OH)2 |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Taramellite | |
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| Formula: | Ba4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Tedhadleyite (TL) | |
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| Formula: | (Hg+2)5Hg2+I2(Cl,Br)2O4 |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | Canadian Mineralogist (2002): 40(3): 909-914. |
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| Terlinguaite |  |
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| Formula: | (Hg+2)0.5Hg2+ClO |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Photo: © 2011, JGW. Terlinguaite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Thomsonite-Ca | |
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| Formula: | NaCa2[Al5Si5O20] · 6H2O |
| Locality: | Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Tiemannite | |
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| Formula: | HgSe |
| Locality: | New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Titanite |  |
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| Formula: | CaTi(SiO4)O |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
| Localities: | Recorded from at least 6 other localities in this region. |
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| Photo: © The-Vug.com. Titanite from MT Jeanne's pit No. 2, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Titantaramellite | |
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| Formula: | Ba4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2Clx |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Todorokite | |
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| Formula: | (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12 · 3H2O |
| Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| 'Tourmaline' | |
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| Formula: | A(D3)G6(T6O18)(BO3)3X3Z |
| Reference: | Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80. |
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| Tremolite | |
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| Formula: | ☐{Ca2}{Mg5}(Si8O22)(OH)2 |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Turquoise | |
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| Formula: | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
| Locality: | Llanada Copper Mine, Llanada, Panoche Valley, Diablo Range, San Benito Co., California, USA |
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| 'Unnamed (Ba Titanate)' | |
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| Formula: | BaTi2O5 |
| Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| 'Unnamed (Ba Titanate II)' | |
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| Formula: | BaTi3O7 |
| Locality: | Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Uvarovite | |
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| Formula: | Ca3Cr2(SiO4)3 |
| Localities: | Reported from at least 13 localities in this region. |
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| Valentinite | |
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| Formula: | Sb2O3 |
| Localities: | Yellow Jacket Mine, Stayton District (McLeod District; Panoche District), Hollister, Diablo Range, San Benito Co., California, USA
Picacho Mine (Picachos Mine; Los Picachos Mine; Picahotes Mine; Benta Mine; Hernandez Mine; Ramirez Mine; Bonanza Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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| Vasilyevite (TL) |  |
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| Formula: | (Hg+2)10I3Br2Cl(CO3)O6 |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | Canadian Mineralogist (2003): 41(5): 1167-1172; Lapis (2004): 29(2): 42. |
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| Photo: © AVK. Vasilyevite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Vermiculite | |
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| Formula: | (Mg,Fe,Al)3((Al,Si)4O10)(OH)2 · 4H2O |
| Locality: | Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Vesuvianite | |
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| Formula: | (Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10 |
| Localities: | Perovskite Peak (Perovskite Hill), Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Rozzum Ridge Cr occurrence, Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA
Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Upstream San Benito River from Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Chlorite Schist Knob area, South of the Dallas Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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| Vesuvianite var: Cerian Vesuvianite |  |
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| Locality: | Perovskite Peak (Perovskite Hill), Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Photo: © minresco.com. Cerian Vesuvianite from Perovskite Peak, Santa Rita Peak, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA |
| Vivianite | |
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| Formula: | Fe2+3(PO4)2 · 8H2O |
| Locality: | Sulphur Spring orebody, New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Volborthite | |
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| Formula: | Cu3(V2O7)(OH)2 · 2H2O |
| Locality: | Llanada Copper Mine, Llanada, Panoche Valley, Diablo Range, San Benito Co., California, USA |
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| Voltaite | |
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| Formula: | K2Fe2+5Fe3+3Al(SO4)12 · 18H2O |
| Locality: | New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California, USA |
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| Wattersite (TL) |  |
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| Formula: | (Hg+2)2Hg2+(CrO4)O2 |
| Type Locality: | Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Reference: | Mineralogical Record: 36(4): 337-363.; Mineralogical Record (1993): 24: 471-475. |
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| Photo: © 2011, JGW. Wattersite from Clear Creek claim, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
| Witherite | |
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| Formula: | BaCO3 |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| Wollastonite | |
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| Formula: | CaSiO3 |
| Locality: | Victor claim (Victor Mine), Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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| 'Zaratite' | |
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| Formula: | Ni3(CO3)(OH)4 · 4H2O |
| Localities: | Unspecified Cr occurrence, Hollister, Diablo Range, San Benito Co., California, USA
Unspecified Cr placer occurrence, Hollister, Diablo Range, San Benito Co., California, USA ? (more information)
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| Zircon | |
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| Formula: | ZrSiO4 |
| Locality: | Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA |
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213 entries listed. 172 valid minerals. 20 type localities (valid minerals). 1 erroneous literature entry.
Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80.
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