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Kern Co., California, USAi
Regional Level Types
Kern Co.County
CaliforniaState
USACountry

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Key
Lock Map
Neighbouring regions:
Locality type:County
Largest Settlements:
PlacePopulation
Bakersfield373,640 (2017)
Delano52,733 (2017)
Oildale32,684 (2011)
Ridgecrest28,780 (2017)
Wasco26,279 (2017)
Arvin20,876 (2017)


NOTE: The files in this county are under systematic revision as of April 26th. Please do not make any changes to these files without first contacting Chet Lemanski. Thank you!!

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

227 valid minerals. 5 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

''
Localities:
Acanthite
Formula: Ag2S
Localities: Reported from at least 9 localities in this region.
Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite
Formula: Na(AlSi3O8)
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Description: Occurs as a minor constituent in pegmatite dikes.
Reference: MacKevett, Edward Malcolm, Jr. (1960), Geology and ore deposits of the Kern River uranium area, California: USGS Bulletin 1087-F: 191, 197; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 60; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 486.
Almandine
Formula: Fe2+3Al2(SiO4)3
Alunite
Formula: KAl3(SO4)2(OH)6
Analcime
Formula: Na(AlSi2O6) · H2O
Localities:
Andalusite
Formula: Al2(SiO4)O
Reference: Sampson, Reid J. & W. Burling Tucker (1931), Feldspar, silica, andalusite, and cyanite deposits of California: California Mining Bureau. Report 27: 453; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 73.
Andalusite var: Chiastolite
Formula: Al2(SiO4)O
Reference: Sampson, Reid J. & W. Burling Tucker (1931), Feldspar, silica, andalusite, and cyanite deposits of California: California Mining Bureau. Report 27: 453; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 73.
Andradite
Formula: Ca3Fe3+2(SiO4)3
Colour: Green
Description: Occurs as fine crystals in skarn.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 194; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 496.
'Andradite-Grossular Series'
Reference: Rob Lavinsky
Anorthite
Formula: Ca(Al2Si2O8)
Reference: Cal Div of Mines & Geology "Mineral Information Service" V. 22 N. 10 Oct 1969
Anthophyllite
Formula: ☐{Mg2}{Mg5}(Si8O22)(OH)2
Antimony
Formula: Sb
Localities: Reported from at least 6 localities in this region.
'Apatite'
'Apatite var: Carbonate-rich Apatite'
Description: Constituent of phosphatic material of fossil bones.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9&10): 146; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 315.
Aragonite
Formula: CaCO3
Aragonite var: Strontian Aragonite
Formula: (Ca,Sr)CO3
Description: Comprises fossil shells in shales underlying the borate deposit.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9&10): 146; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 215.
Argentojarosite
Formula: AgFe3+3(SO4)2(OH)6
Description: Locally abundant in the oxidized zone.
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 103-104; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 85.
Arsenic
Formula: As
Colour: Blackish to silvery
Description: Occurs sparingly as small rounded grains or subhedral crystals on fibrous ulexite.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9): 146; Carnahan, V. (1970), Notes on some minerals from Boron: Bulletin of the Mineralogical Society of Southern California, November: 10; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 213.
Arseniosiderite
Formula: Ca2Fe3+3(AsO4)3O2 · 3H2O
Reference: [MinRec 2:37]
Arsenolite
Formula: As2O3
Colour: Colourless to whitish
Description: Occurs as minute grains and octahedral crystals.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9): 147; Carnahan, V. (1970), Notes on some minerals from Boron: Bulletin of the Mineralogical Society of Southern California, November: 10; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 186.
Arsenopyrite
Formula: FeAsS
Localities: Reported from at least 10 localities in this region.
'Asbestos'
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Cal Div of Mines & Geology "Mineral Information Service" V. 22 N. 9 Sept 1969
Aurichalcite
Formula: (Zn,Cu)5(CO3)2(OH)6
Description: Occurs with other Pb-Cu-Zn minerals.
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 41, 345; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 89; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 229.
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Localities: Reported from at least 17 localities in this region.
'Axinite Group'
Azurite
Formula: Cu3(CO3)2(OH)2
Description: Occurs with unspecified sulphides and oxides.
Reference: Storms, William H. (1913), Geology of the Woody copper district, California: Engineering & Mining Journal: 6: 635; Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 84-89; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 225.
Baryte
Formula: BaSO4
Barytocalcite
Formula: BaCa(CO3)2
Description: Rounded grains.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9&10): 147, 172; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 222.
Beidellite
Formula: (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Reference: Handbook of Mineralogy
Benitoite
Formula: BaTi(Si3O9)
Berthierite
Formula: FeSb2S4
'Biotite'
Localities: Reported from at least 6 localities in this region.
Birnessite
Formula: (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Bismuth
Formula: Bi
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 106.
Bismuthinite
Formula: Bi2S3
Reference: Prout, John W., Jr. (1940), Geology of the Big Blue group of mines, Kernville, California: California Division Mines Report 36: 379-421; Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 97-99; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 107; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 126. , 128.
Blödite
Formula: Na2Mg(SO4)2 · 4H2O
'Bloodstone'
Formula: SiO2
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 91-92; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 345.; Strong, M. F. 1971a Desert Gem Trails. A Field Guide to the Gems and Minerals of the Mojave and Colorado Deserts: Second Revised Edition, Gem Guides Book Co., Baldwin Park, CA, 80 p.
Borax
Formula: Na2(B4O5)(OH)4 · 8H2O
Localities: Reported from at least 10 localities in this region.
Bornite
Formula: Cu5FeS4
Bournonite
Formula: PbCuSbS3
Reference: Schroter, G.A. (1935), A geologist visits the Mohave mining district: Engineering & Mining Journal: 136: 185-188; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 232.
Bromargyrite
Formula: AgBr
Brookite
Formula: TiO2
Description: Occurs as miniature spear-like crystals in lava cavities E of the highway.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 114; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 169.
Calcite
Formula: CaCO3
Localities: Reported from at least 41 localities in this region.
Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
Localities: Reported from at least 6 localities in this region.
Cassiterite
Formula: SnO2
Localities: Reported from at least 6 localities in this region.
Celadonite
Formula: K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Colour: Green
Description: Occurs as crystalline linings of cavities in basalt.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 122; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 430.
Cerussite
Formula: PbCO3
Cervantite
Formula: Sb3+Sb5+O4
Chabazite-Na
Formula: (Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Localities:
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 33 localities in this region.
Chlorargyrite
Formula: AgCl
Localities: Reported from at least 7 localities in this region.
'Chlorite Group'
Chloritoid
Formula: (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Colour: Dark green
Description: Occurs abundantly in schists.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 137; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 436.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
'Chrysoprase'
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 91-92; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 345.
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Description: Occurs as veins in serpentine.
Reference: Brown, G.C. (1916a), Kern County: California Mining Bureau. Report 14: 476; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 335.
Cinnabar
Formula: HgS
Localities: Reported from at least 9 localities in this region.
'Clays'
Localities: Reported from at least 16 localities in this region.
'Clinoptilolite'
Localities: Reported from at least 9 localities in this region.
Clinoptilolite-Na
Formula: Na6(Si30Al6)O72·20H2O
Reference: Am Min 90:1186-1191
Clino-suenoite
Formula: □{Mn2+2}{Mg5}(Si8O22)(OH)2
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Coffinite
Formula: U(SiO4) · nH2O
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geol. County Report No. 1, 370 pp.: 330-332; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 153; Pemberton, H. Earl (1983), Minerals of California: 515.
Colemanite
Formula: Ca[B3O4(OH)3] · H2O
Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Copper
Formula: Cu
'Copper Stain'
Localities: Reported from at least 7 localities in this region.
Corderoite
Formula: Hg2+3S2Cl2
Reference: U.S. Geological Survey Open-File Report 2011-1034
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Description: Occurs in a pelitic hornfels.
Reference: Best, Myron G. & L.E. Weiss (1964), Mineralogical relations in some politic hornfels from the southern Sierra Nevada, California: American Mineralogist: 49: 1249; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 447.
Covellite
Formula: CuS
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 104; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 99; Blaske, A. R., 1990, Alteration, Mineralization, and Geochemistry of the Shumake Deposit: a Volcanic Dome-Hosted Epithermal Precious Metal Deposit, Kern County, California, Unpublished M.S. Thesis, Michigan Technological University
Cristobalite
Formula: SiO2
Description: Occurs in the crustobalite stage in the diagenesis of Monterey Shale.
Reference: Murata, K.J. and Randall, R.G. (1975) Slica mineralogy and structure of the Monterey shale, Tremblor Range, California. USGS Jour. Res.: 3: 567-572; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 353.
Cuprite
Formula: Cu2O
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report 1, 370 pp.: 294; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 182.
Cuprotungstite
Formula: Cu2(WO4)(OH)2
Description: Occurs admixed with scheelite.
Reference: Schaller, Waldemar Theodore (1932), Chemical composition of cuprotungstite: American Mineralogist: 17: 237; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 165, 329-330; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1091.
Diopside
Formula: CaMgSi2O6
Localities: Reported from at least 10 localities in this region.
Dolomite
Formula: CaMg(CO3)2
Dumortierite
Formula: (Al,Fe3+)7(SiO4)3(BO3)O3
'Electrum'
Formula: (Au, Ag)
Enstatite
Formula: MgSiO3
Reference: Whitfield, J.E. (1890), Analyses of six new meteorites: USGS Bulletin 60: 114; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 307.
Enstatite var: Bronzite
Formula: (Mg,Fe2+)2[SiO3]2
Reference: Whitfield, J.E. (1890), Analyses of six new meteorites: USGS Bulletin 60: 114; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 307.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Localities: Reported from at least 41 localities in this region.
Epsomite
Formula: MgSO4 · 7H2O
Description: Occurs as silky, curling, fibrous crystals.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9&10): 152; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 266.
'Erionite'
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Description: Occurs in a few pegmatite dikes as small crystals.
Reference: MacKevett, Edward Malcolm, Jr. (1960), Geology and ore deposits of the Kern River uranium area, California: USGS Bulletin 1087-F: 191, 197; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 180.
'Fayalite-Forsterite Series'
'Feldspar Group'
Localities: Reported from at least 8 localities in this region.
Ferberite
Formula: FeWO4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
Fluorapatite
Formula: Ca5(PO4)3F
Description: Radioactive; Th-bearing.
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report 1, 370 pp.: 290; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 78.
Fluorapatite var: Carbonate-rich Fluorapatite
Formula: Ca5(PO4,CO3)3(F,O)
Description: Radioactive; Th-bearing.
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report 1, 370 pp.: 290; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 78.
Fluorite
Formula: CaF2
Forsterite
Formula: Mg2SiO4
Description: An olivine with Fa24.
Reference: Grady, Monica M. (2000) Catalogue of Meteorites, 5th. edition, The Natural History Museum, London: 431.
Galena
Formula: PbS
Localities: Reported from at least 13 localities in this region.
'Garnet Group'
Formula: X3Z2(SiO4)3
Localities: Reported from at least 50 localities in this region.
Garrelsite
Formula: Ba3NaSi2B7O16(OH)4
Gaylussite
Formula: Na2Ca(CO3)2 · 5H2O
Description: Occurs in clay and tuff layers.
Reference: Smith, George Irving & W.P. Pratt (1957), Core logs from Owens, China, Searles and Panamint Basins, California: USGS Bulletin 1045-A: 16; Hay, Richard Le Roy & Richard J. Moiola (1963), Authigenic silicate minerals in three desert lakes of eastern California (abstract): Program New York Meeting, Geological Society of America: 76A; Moiola, Richard J. & Richard L. Hay (1964), Zeolite zones in Pleistocene and recent sediments of China Lake, California (abstract): Geological Society of America, Cordilleran Section Meeting, Berkeley, California: 47, April 1963; […Geological Society of America Special Paper 76: 215 (1964)]: 47; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 71, 151, 287.
Gerstleyite (TL)
Formula: Na2(Sb,As)8S13 · 2H2O
Localities: Reported from at least 6 localities in this region.
Reference: American Mineralogist 41 (1956), 839-843
Gibbsite
Formula: Al(OH)3
Colour: Pale to deep pink
Description: Occurs in boulders of brecciated gray chert on the alluvial fan at the southern tip of the San Joaquin Valley.
Reference: Murdoch, Joseph & Robert W. Webb (1938), Notes on some minerals from southern California: American Mineralogist: 23: 352; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 199; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 144.
'Gmelinite'
Gmelinite-Na
Formula: Na4(Si8Al4O24] · 11H2O
Reference: Am Min 90:1186-1191
Gold
Formula: Au
Localities: Reported from at least 198 localities in this region.
Goslarite
Formula: ZnSO4 · 7H2O
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 41, 345; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 205; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 296.
Graphite
Formula: C
Reference: Browne, J.R. (1869), Report of J. Ross Browne on the mineral resources of the states and territories west of the Rocky Mountains (US Treasury Dept.), 674 pp., H.H. Bancroft and Co., San Francisco [reprint of 2]: 254; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 206.
Greigite
Formula: Fe2+Fe3+2S4
Localities:
Grossular
Formula: Ca3Al2(SiO4)3
Reference: No reference listed
'Gummite'
Localities: Reported from at least 6 localities in this region.
Gypsum
Formula: CaSO4 · 2H2O
Localities: Reported from at least 36 localities in this region.
Gypsum var: Satin Spar Gypsum
Formula: CaSO4 · 2H2O
Gypsum var: Selenite
Formula: CaSO4 · 2H2O
Halite
Formula: NaCl
Halotrichite
Formula: FeAl2(SO4)4 · 22H2O
Colour: Platinum-colored
Description: Occurs as tufts to 30 cm long as an alteration product of pyrite in a rhyolite breccia zone.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 264.
Hectorite
Formula: Na0.3(Mg,Li)3(Si4O10)(F,OH)2
Description: Material has a high Li content.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9&10): 165; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 439.
Hematite
Formula: Fe2O3
Localities: Reported from at least 7 localities in this region.
Hematite var: Specularite
Formula: Fe2O3
Reference: Brown, G.C. (1916a), Kern County: California Mining Bureau. Report 14: 516; Tucker, W. Burling, Reid J. Sampson, & Gordon Blaisdell Oakeshott (1949), Mineral resources of Kern County, California: California Journal of Mines and Geology: 45: 270; Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 210; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 216; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 161.
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Heulandite-Na
Formula: (Na,Ca,K)6(Si,Al)36O72 · 22H2O
Reference: Am Min 90:1186-1191; Tschernich, R. (1992): Zeolites of the World, 64; Clays and Clay Minerals, Vol. 36, No. 2, 131-136, 1988
'Heulandite subgroup'
Hisingerite
Formula: Fe3+2(Si2O5)(OH)4 · 2H2O
Colour: Black to reddish brown
Description: Occurs as a thin glassy coating on joint-crack surfaces of basalt.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9): 152, 165, 168; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 66, 438; Cal Div of Mines & Geology "Mineral Information Service: 22(9) (Sept 1969).
'Hornblende'
Howlite
Formula: Ca2B5SiO9(OH)5
Hübnerite ?
Formula: MnWO4
Reference: Hess, Frank L. (1913), Tungsten: Mineral Resources U.S., 1912, part 1: 988; Hess, Frank L. (1914), Tungsten: Mineral Resources U.S., 1913, part 1: 354; Partridge, John F., Jr. (1941), Tungsten resources of California: California Journal of Mines and Geology, California Division of Mines (Report 37): 37: 313; Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 37.
Humboldtine
Formula: Fe2+(C2O4) · 2H2O
Colour: Carnotite-yellow
Description: Massive.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 342.
Hydroboracite
Formula: CaMg[B3O4(OH)3]2 · 3H2O
'Hypersthene'
Formula: (Mg,Fe)SiO3
Description: Occurs as crystals to 1.5 mm in vesicles of basalt float.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9&10): 152; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 385.
'Iddingsite'
Formula: MgO · Fe2O3 · 3SiO2·4H2O
Ilmenite
Formula: Fe2+TiO3
Ilsemannite
Formula: Mo3O8 · nH2O
Inderite
Formula: MgB3O3(OH)5 · 5H2O
Localities: Reported from at least 6 localities in this region.
Inyoite
Formula: Ca(H4B3O7)(OH) · 4H2O
Iron
Formula: Fe
Iron var: Kamacite
Formula: (Fe,Ni)
Jamesonite ?
Formula: Pb4FeSb6S14
Description: Occurs on bournonite; may be bournonite.
Reference: Schroter, G.A. (1935), A geologist visits the Mohave mining district: Engineering & Mining Journal: 136: 185-188; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 232.
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Jordisite
Formula: MoS2
Reference: Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report 1, 370 pp.: 330, 332; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 79.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Localities: Reported from at least 6 localities in this region.
Kermesite
Formula: Sb2S2O
Kernite (TL)
Formula: Na2[B4O6(OH)2] · 3H2O
Localities: Reported from at least 7 localities in this region.
Reference: American Mineralogist (1927): 12: 24-25.
'K Feldspar'
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Kurnakovite
Formula: MgB3O3(OH)5 · 5H2O
Localities: Reported from at least 6 localities in this region.
'Labradorite'
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
Reference: Cal Div of Mines & Geology "Mineral Information Service" V. 22 N. 10 Oct 1969
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Description: Occurs as a cement in feldspathic sandstone.
Reference: Kaley, Mary Elizabeth & R.F. Hanson (1955), Laumontite and leonhardite cement in Miocene sandstone from a well in San Joaquin Valley, California: American Mineralogist: 40: 923-925; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 237; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 383.
Lazulite
Formula: MgAl2(PO4)2(OH)2
Reference: Pecora, William Thomas & Joseph John Fahey (1950), The lazulite-scorzalite isomorphous series: American Mineralogist: 35: 14.; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 240.
Lechatelierite
Formula: SiO2
Reference: Mineralogical Rearch Company.
Lepidocrocite
Formula: γ-Fe3+O(OH)
Colour: Reddish brown
Description: Occurs as a powdery alteration of hypersthene in basalt float in the overburden of the deposit.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9): 165-166; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 162.
'Limonite'
Formula: (Fe,O,OH,H2O)
Localities: Reported from at least 6 localities in this region.
Litharge
Formula: PbO
Habit: Platy
Description: Occurs as plates bordered by massicot.
Reference: Larsen, Esper Signius (1917), Massicot and litharge, the two modifications of lead monoxide: American Mineralogist: 2: 18-19; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 245.
Löllingite
Formula: FeAs2
Reference: Rytuba, J.J., Kim, C.S. and Goldstein, D.N., 2011, Review of samples of tailings, soils and stream sediment adjacent to and downstream from the Ruth Mine, Inyo County, California: U.S. Geological Survey Open-File Report 2011-1105, 37 p.
Ludwigite
Formula: Mg2Fe3+(BO3)O2
Mackinawite
Formula: (Fe,Ni)9S8
Maghemite
Formula: Fe3+2O3
Magnesite
Formula: MgCO3
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 9 localities in this region.
Malachite
Formula: Cu2(CO3)(OH)2
Localities: Reported from at least 7 localities in this region.
'Manganese Oxides'
Localities: Reported from at least 7 localities in this region.
Marcasite
Formula: FeS2
Localities: Reported from at least 9 localities in this region.
'Mariposite'
Formula: K(Al,Cr)2(Al,Si)4O10(OH)2
Reference: Hulin, Carlton D. (1925), Geology and ore deposits of the Randsburg quadrangle, California: California Mining Bureau. Bulletin 95, 152 pp: 25; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 156; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 425.
Massicot
Formula: PbO
Mazzite-Na (TL)
Formula: Na8[Al4Si14O36]2 · 30H2O
Type Locality:
Habit: Acicular
Colour: White
Reference: American Mineralogist (2005): 90: 1186-1191; Tschernich, R. (1992): Zeolites of the World: 64.
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
'Melnikovite'
Description: Occurs as micro-particles of highly magnetic material disseminated throughout the clay-shale portion of the deposit. Occurs in nodules of kurnakovite and colemanite above the main orebody.
Reference: Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9): 152; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 71;
Mercury
Formula: Hg
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Mesolite
Formula: Na2Ca2Si9Al6O30 · 8H2O
Description: Occurs as silky, fibrous aggregates with other zeolites in basalt.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 261; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 371; Tschernich, R. (1992): Zeolites of the World, 64, 502
Meta-autunite
Formula: Ca(UO2)2(PO4)2 · 6-8H2O
Localities: Reported from at least 6 localities in this region.
Metacinnabar
Formula: HgS
Colour: Black
Description: Occurs as a thin black coating on a specimen of clay.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 115.
Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Reference: Walker, G.W., Lovering, T.G., and Stephens, H.G. (1956), Radioactive Deposits in California: Special Report 49 of the Californnia Division of Mines & Geology: 32; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 264; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 79.
Metazeunerite
Formula: Cu(UO2)2(AsO4)2 · 8H2O
Meyerhofferite
Formula: Ca2(H3B3O7)2 · 4H2O