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

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Key
Lock Map
Neighbouring regions:
Locality type:County
Largest Settlements:
PlacePopulation
Weaverville3,600 (2011)
Hayfork2,368 (2011)
Lewiston1,193 (2011)
Douglas City713 (2011)
Junction City680 (2011)
Mad River420 (2011)


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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

121 valid minerals. 1 (TL) - type locality of valid minerals. 1 erroneous literature entry.

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

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Alphabetical List Tree Diagram

Detailed Mineral List:

''
Localities:
Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: G.E. Harlow : "Research and Collections of Jade (Jadeitite and Nephrite) at the American Museum of Natural History, New York City, USA", 5th International Conference "Mineralogy & Museums", Paris, Sept. 5-8th 2004, Bull. de Liaison de la Soc. Franç. de Minéralogie et Cristallographie, 2004, Vol 16, N°2.
Albite
Formula: Na(AlSi3O8)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Aluminocopiapite
Formula: Al2/3Fe3+4(SO4)6(OH)2 · 20H2O
Reference: http://rruff.geo.arizona.edu/doclib/hom/aluminocopiapite.pdf.
'Amphibole Asbestos'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10117473.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Annabergite
Formula: Ni3(AsO4)2 · 8H2O
Description: Conspicuous.
Reference: Wells, F.G. and Hawkes, H.E. (1965) Chromite deposits of Shasta, Tehama, Trinity and Humboldt counties, California. California Division Mines and Geology Bulletin 134, part 1, chapter 3: 175; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 321.
Ansermetite
Formula: Mn2+(V2O6) · 4H2O
Reference: Tony Kampf (PXRD analysis)
Anthophyllite
Formula: ☐{Mg2}{Mg5}(Si8O22)(OH)2
Aragonite
Formula: CaCO3
Arsenolite
Formula: As2O3
Description: Octahedral crystals to 1 mm in size.
Reference: Landon, Robert Emmanuel (1927), Roemerite from California: American Mineralogist: 12: 279-283; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 85.
Arsenopyrite
Formula: FeAsS
'Asbestos'
Localities: Reported from at least 22 localities in this region.
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 91.
'Axinite Group'
Azurite
Formula: Cu3(CO3)2(OH)2
Baryte
Formula: BaSO4
Localities: Reported from at least 7 localities in this region.
Bementite
Formula: Mn7Si6O15(OH)8
Localities: Reported from at least 19 localities in this region.
Beryl
Formula: Be3Al2(Si6O18)
Beryl var: Emerald
Formula: Be3Al2(Si6O18)
Colour: Emerald-green
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 104.
Beryl var: Morganite
Formula: Be3Al2(Si6O18)
Colour: Pink
Description: Crystals occur in placer deposits. Identification as beryl by Sperisen & Melhase.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 103.
Bieberite
Formula: CoSO4 · 7H2O
Colour: Pale rose-red
Description: Occurs in small amounts as a powder on pyrrhotite with other alteration products of the pyrrhotite.
Reference: 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: 507; Landon, Robert Emmanuel (1927), Roemerite from California: American Mineralogist: 12: 279-283; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 104; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 270.
Birnessite
Formula: (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Reference: Huebner, J. Stephen; Flohr, Marta J. (1990) Microbanded manganese formations; protoliths in the Franciscan Complex, California; USGS Professional Paper 1502.
Bornite
Formula: Cu5FeS4
Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Brochantite
Formula: Cu4(SO4)(OH)6
Reference: Tony Kampf (PXRD analysis)
Brookite
Formula: TiO2
Reference: Mineralogical Record:31(4): 341
Calcite
Formula: CaCO3
Localities: Reported from at least 16 localities in this region.
Cassiterite
Formula: SnO2
Chalcanthite
Formula: CuSO4 · 5H2O
Chalcocite
Formula: Cu2S
Localities: Reported from at least 7 localities in this region.
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 23 localities in this region.
'Chlorite Group'
Chromite
Formula: Fe2+Cr3+2O4
Localities: Reported from at least 80 localities in this region.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Cinnabar
Formula: HgS
Localities: Reported from at least 13 localities in this region.
Claudetite
Formula: As2O3
Description: May be arsenolite (NOTE: This logic is questioned since claudetite is monoclinic and arsenolite is isometric). Occurs as crusts of well-formed monoclinic crystals. (NOTE: This material was re-examined and found to be arsenolite (octahedral crystals).
Reference: Landon, Robert Emmanuel (1927), Roemerite from California: American Mineralogist: 12: 279-283; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 151.
'Clays'
Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Colour: Pale brown
Description: Scaly masses.
Reference: 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: 274; 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:490 & 626.; Van Loan, P. R., & Nuffield, E. W. (1959). An x-ray study of roemerite [California]. The Canadian Mineralogist, 6(3), 348-356.
Copper
Formula: Cu
Localities: Reported from at least 8 localities in this region.
Coquimbite
Formula: Fe2-xAlx(SO4)3 · 9H2O, x ~0.5
Reference: 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: 522; Landon, Robert Emmanuel (1927), Roemerite from California: American Mineralogist: 12: 279; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 273.
Cristobalite
Formula: SiO2
Description: Occurs in metasedimentary rocks from a contact of volcanics.
Reference: Lydon, Philip Andrew (1964), Unusual phosphatic rock: California Division of Mines & Geology, Mineral Information Service: 17: 67; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 80; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 317, 355.
Cubanite
Formula: CuFe2S3
Description: Occurs as small blebs in chalcopyrite.
Reference: Stinson, Melvin Clarence (1957a), Geology of the Island Mountain copper mine, Trinity County, California: California Journal of Mines and Geology: 53: 27; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 93.
Cuprite
Formula: Cu2O
Diamond
Formula: C
Reference: Gems Gemol. 26 (3): 212-219.
Digenite
Formula: Cu9S5
Reference: Mineralogical Record:18(5):341
Diopside
Formula: CaMgSi2O6
Diopside var: Diallage
Formula: CaMgSi2O6
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 308.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Colour: Green
Description: Occurs in a soda granite porphyry.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 177, 345.
'Fayalite-Forsterite Series'
Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
Fibroferrite
Formula: Fe3+(SO4)(OH) · 5H2O
Colour: Yellow
Description: Occurs as fibrous aggregates.
Reference: Landon, Robert Emmanuel (1927), Roemerite from California: American Mineralogist: 12: 279; Melhase, John (1934), A diversity of many fine minerals available in California for collectors: Oregon Mineralogist: 2(6): 1-2; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 186; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 273; 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: 616.
Galena
Formula: PbS
Localities: Reported from at least 16 localities in this region.
'Garnet Group'
Formula: X3Z2(SiO4)3
Gold
Formula: Au
Localities: Reported from at least 533 localities in this region.
Goslarite
Formula: ZnSO4 · 7H2O
Description: Occurs with other sulphate minerals.
Reference: Landon, Robert Emmanuel (1927), Roemerite from California: American Mineralogist: 12: 279; 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; 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: 515.
Graphite
Formula: C
Gypsum
Formula: CaSO4 · 2H2O
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10072353.
Halite
Formula: NaCl
Reference: Gunnar Farber - Mineralienliste, 1-2018.
Halotrichite
Formula: FeAl2(SO4)4 · 22H2O
Description: Occurs in tufts.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 228.
Hausmannite
Formula: Mn2+Mn3+2O4
Localities: Reported from at least 7 localities in this region.
Heazlewoodite
Formula: Ni3S2
Description: Occurs as minute crystals in serpentine.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 64.
Hematite
Formula: Fe2O3
Hessite
Formula: Ag2Te
Reference: Hershey, Oscar H. (1899), The upper Coffee Creek mining district, California: Mining & Scientific Press: 79: 689; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 276; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 110.
Hydroxylapatite
Formula: Ca5(PO4)3(OH)
Reference: Lydon, Philip Andrew (1964), Unusual phosphatic rock: California Division of Mines & Geology, Mineral Information Service: 17: 66-74; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 80, 384; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 317, 318.
'Hypersthene'
Formula: (Mg,Fe)SiO3
Description: Abundant.
Reference: Brown, G.C. (1916b), Shasta, Siskiyou, Trinity Counties: California Mining Bureau. Report 14: 920; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 307; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 386.
'Iddingsite'
Formula: MgO · Fe2O3 · 3SiO2·4H2O
Description: Occurs associated with olivine.
Reference: Bradley, W.W. (1940), Thirty-sixth report of the State Mineralogist: California Division Mines Report 36: 106; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 224.
Inesite
Formula: Ca2(Mn,Fe)7Si10O28(OH)2 · 5H2O
Iridium
Formula: (Ir,Os,Ru)
Localities: Reported from at least 7 localities in this region.
Iridium var: Osmiridium
Formula: (Ir,Os,Ru)
Iridium var: Platiniridium
Formula: (Ir,Pt)
Description: Occurs as nuggets.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 290.
Iridium var: Ruthenosmiridium
Formula: (Ir,Os,Ru)
Reference: Sjoberg, J. and Gomes, J.M. (1980) Platinum-group minerals in California alluvial deposits. US Bureau of Mines, Reno Research Center, unpublished manuscript: 15; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 45.
Iron
Formula: Fe
Description: Strongly marked plates.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 61-62.
Iron var: Kamacite
Formula: (Fe,Ni)
Description: Strongly marked plates.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 61-62.
Isoferroplatinum
Formula: Pt3Fe
Reference: Alfredo Petrov collection; Excalibur Mineral Co. analyses
Jacobsite
Formula: Mn2+Fe3+2O4
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10141537.
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Tony Kampf (PXRD analysis)
Julgoldite-(Fe2+)
Formula: Ca2Fe2+Fe3+2(Si2O7)(SiO4)(OH)2 · H2O
Description: Occurs on inesite.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 493; Mineralogical Record, 18(5), 341.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10086646.
Kenyaite
Formula: Na2Si22O41(OH)8 · 6H2O
Reference: Barnes, I., J.B. Rapp & J.R. O’Neil (1972), Metamorphic assemblages and the direction of flow of metamorphic fluids in four instances of serpentinization: Contributions to Mineralogy and Petrology: 35: 264; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 442; www.mineralsocal.org.; Lukasz Kruszewski specimen.
Kornelite
Formula: Fe2(SO4)3 · 7H2O
Reference: Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols; Van Loan, P. R., & Nuffield, E. W. (1959). An x-ray study of roemerite [California]. The Canadian Mineralogist, 6(3), 348-356.
Laurite
Formula: RuS2
Reference: Sjoberg, J. and Gomes, J.M. (1980) Platinum-group minerals in California alluvial deposits. US Bureau of Mines, Reno Research Center, unpublished manuscript: 15; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 64.
'Limonite'
Formula: (Fe,O,OH,H2O)
Localities: Reported from at least 7 localities in this region.
Magadiite
Formula: Na2Si14O29 · 11H2O
Description: Occurs in altered volcanic material.
Reference: Eugster, H.P., F.J. Blair, and R.A. Sheppard (1967) New hydrous sodium silicates from Kenya, Oregon and California. Geological Society of America Abstract with Program, 60.; McAtee, J.L., House, R., and Eugster, H.P. (1968) Magadiite from Trinity County, California. American Mineralogist: 53: 2061-2069; Barnes, I., J.B. Rapp & J.R. O’Neil (1972), Metamorphic assemblages and the direction of flow of metamorphic fluids in four instances of serpentinization: Contributions to Mineralogy and Petrology: 35: 264; Gude, A.J. and Sheppard, R.A. (1972) Silhydrite, 3SiO2 •H2O, a new mineral from Trinity County, California. American Mineralogist: 57: 1053-1065; American Mineralogist (1975): 60: 642-649; www.mineralsocal.org.; Gude A J, Sheppard R A (1972) Silhydrite, 3SiO2·H2O, a new mineral from Trinity County, California. American Mineralogist 57, 1053-1065; Lukasz Kruszewski specimen.
Magnesite
Formula: MgCO3
Reference: Mining and Scientific Press (1893), The Integral quicksilver mine: Mining and Scientific Press: 67: 323; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 261.
Magnetite
Formula: Fe2+Fe3+2O4
Malachite
Formula: Cu2(CO3)(OH)2
Localities: Reported from at least 10 localities in this region.
'Manganese Oxides'
Localities: Reported from at least 33 localities in this region.
Marcasite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Massicot
Formula: PbO
Description: Occurs in an unspecified location in the northern part of the county.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 257.
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Description: Occurs as tufts with other sulphates.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 258; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 273.
Melanterite var: Cuprian Melanterite
Formula: (Fe,Cu)SO4 · 7H2O
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 290; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 273.
Mercury
Formula: Hg
'Mica Group'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10214762.
Molybdenite
Formula: MoS2
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Sheppard, R.A. and Gude, A.J. (1969a) Rhodesite from Trinity County, California. American Mineralogist: 54: 251-255; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 441; www.mineralsocal.org
Morenosite
Formula: NiSO4 · 7H2O
Description: Occurs with other secondary minerals.
Reference: Stinson, Melvin Clarence (1957a), Geology of the Island Mountain copper mine, Trinity County, California: California Journal of Mines and Geology: 53: 25; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 274; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 270.
Mountainite
Formula: KNa2Ca2[Si8O19(OH)] · 6H2O
Reference: Barnes, I., J.B. Rapp & J.R. O’Neil (1972), Metamorphic assemblages and the direction of flow of metamorphic fluids in four instances of serpentinization: Contributions to Mineralogy and Petrology: 35: 264; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 442; www.mineralsocal.org.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Description: Occurs in sericitic slate.
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10033730.
Nagyágite
Formula: [Pb3(Pb,Sb)3S6](Au,Te)3
Reference: Hershey, Oscar H. (1899), The upper Coffee Creek mining district, California: Mining & Scientific Press: 79: 689; Osborne, H.Z. (1903), The Dorleska gold mine: Mining and Scientific Press: 7: 252; Stines, Norman S. (1907), The geology of the Coffee Creek mining district, California: Mining and Scientific Press: 95: 25-26; Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: 7th edition, revised and enlarged, 834pp.: 169.
Neotocite
Formula: (Mn,Fe,Mg)SiO3 · H2O
Nsutite
Formula: (Mn4+,Mn2+)(O,OH)2
Reference: Huebner, J. Stephen; Flohr, Marta J. (1990) Microbanded manganese formations; protoliths in the Franciscan Complex, California; USGS Professional Paper 1502.
'Ochre'
Opal
Formula: SiO2 · nH2O
Habit: Amorphous
Colour: Brown
Description: Manganiferous.
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10077858.
Orpiment
Formula: As2S3
Colour: Yellow
Description: Occurs as an alteration product of Fe sulphides.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 283; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 132.
Osmium
Formula: (Os,Ir,Ru)
Osmium var: Iridosmine
Formula: (Os,Ir)
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Petzite
Formula: Ag3AuTe2
'Phillipsite'
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 383; www.mineralsocal.org; Tony Kampf (PXRD analysis)
'Phillipsite var: Wellsite'
Formula: (K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 383; www.mineralsocal.org; Tony Kampf (PXRD analysis)
Platinum
Formula: Pt
Localities: Reported from at least 29 localities in this region.
Reference: Clarence August Logan (1919) Platinum and Allied Metals in California. California State Mining Bureau Bulletin 85
Platinum var: Ferroan Platinum
Formula: (Pt,Fe)
Reference: Sjoberg, J. and Gomes, J.M. (1980) Platinum-group minerals in California alluvial deposits. US Bureau of Mines, Reno Research Center, unpublished manuscript: 15; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 45.
'Psilomelane'
Localities: Reported from at least 7 localities in this region.
'Pumpellyite'
Habit: Fibrous
Colour: Pale green
Description: Occurs as veinlets of fibrous material.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 300; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 493.
Pyrite
Formula: FeS2
Localities: Reported from at least 32 localities in this region.
Pyrolusite
Formula: Mn4+O2
Localities: Reported from at least 6 localities in this region.
Pyrrhotite
Formula: Fe7S8
Quartz
Formula: SiO2
Localities: Reported from at least 159 localities in this region.
Realgar
Formula: As4S4
Reference: Bixby, Maynard (1895), Notable minerals in western mines II: Mineral Collector: 1: 168-169; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 319.
Revdite
Formula: Na16Si16O27(OH)26 · 28H2O
Reference: Gunnar Farber - Mineralienliste, 1-2018.
Rhodesite
Formula: KHCa2Si8O19 · 5H2O
Colour: White
Description: Flat rosettes of silky material.
Reference: Sheppard, R.A. and Gude, A.J. (1969a) Rhodesite from Trinity County, California. American Mineralogist: 54: 251-255; Barnes, I., J.B. Rapp & J.R. O’Neil (1972), Metamorphic assemblages and the direction of flow of metamorphic fluids in four instances of serpentinization: Contributions to Mineralogy and Petrology: 35: 264; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 441, 442; www.mineralsocal.org.
Rhodochrosite
Formula: MnCO3
Localities: Reported from at least 18 localities in this region.
Rhodonite
Formula: Mn2+SiO3
Localities: Reported from at least 13 localities in this region.
Römerite
Formula: Fe2+Fe3+2(SO4)4 · 14H2O
Colour: Brown
Description: Small crystals exhibiting complex forms on altered pyrrhotite.
Reference: Stinson, Melvin Clarence (1957a), Geology of the Island Mountain copper mine, Trinity County, California: California Journal of Mines and Geology: 53: 25; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 324; Fanfani, L., A. Nunzi, and P.F. Zanazzi (1970) The crystal structure of roemerite. American Mineralogist: 55: 79; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 274, 275; 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: 522.; Van Loan, P. R., & Nuffield, E. W. (1959). An x-ray study of roemerite [California]. The Canadian Mineralogist, 6(3), 348-356.
Rutheniridosmine
Formula: (Ir,Os,Ru)
Ruthenium
Formula: (Ru,Ir)
Scheelite
Formula: Ca(WO4)
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Localities: Reported from at least 8 localities in this region.
Siderite
Formula: FeCO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Silhydrite (TL)
Formula: 3SiO2 · H2O
Type Locality:
Colour: White
Description: Occurs as soft micro-crystalline grains, 4 microns or less in size.
Reference: Gude, A.J. and Sheppard, R.A. (1972) Silhydrite, 3SiO2 •H2O, a new mineral from Trinity County, California. American Mineralogist: 57: 1053-1065; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 357-358; www.mineralsocal.org.; Lukasz Kruszewski specimen.
'Silica'
Reference: USGS MRDS database (2005).
Sphalerite
Formula: ZnS
Localities: Reported from at least 6 localities in this region.
Stibnite
Formula: Sb2S3
Reference: Miller, William P. (1890), Trinity County: California Mining Bureau. Report 10: 716; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 261.
Sulphur
Formula: S8
Reference: Tony Kampf (PXRD analysis)
Sylvanite
Formula: (Au,Ag)2Te4
Szomolnokite
Formula: FeSO4 · H2O
Colour: Brown
Description: Pyramidal crystals.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 357; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 270.
Taenite
Formula: (Fe,Ni)
Description: Occurs as bands.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 61-62.
Talc
Formula: Mg3Si4O10(OH)2
Localities: Reported from at least 6 localities in this region.
Tephroite
Formula: Mn2+2SiO4
Reference: Hewett, Donnel Foster, Charles Wesley Chesterman & Bennie Wyatt Troxel (1961), Tephroite in California manganese deposits: Economic Geology: 56: 45; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 215, 362; Pemberton, H. Earl (1983), Minerals of California: 167, 460.
Titanite
Formula: CaTi(SiO4)O
Description: Occurs in a soda granite porphyry.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 177, 345.
Todorokite
Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Tridymite
Formula: SiO2
Reference: Lydon, Philip Andrew (1964), Unusual phosphatic rock: California Division of Mines & Geology, Mineral Information Service: 17: 67; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 80; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 318.
Troilite
Formula: FeS
Description: Occurs as nodules to 2 mm scattered abundantly throughout the Ni-Fe matrix.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 61-62.
Uvarovite
Formula: Ca3Cr2(SiO4)3
Vernadite
Formula: (Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
Reference: Huebner, J. Stephen; Flohr, Marta J. (1990) Microbanded manganese formations; protoliths in the Franciscan Complex, California; USGS Professional Paper 1502.
Whitlockite
Formula: Ca9Mg(PO4)6(HPO4)
Reference: Lydon, Philip Andrew (1964), Unusual phosphatic rock: California Division of Mines & Geology, Mineral Information Service: 17: 66-74; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 80, 384; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 317, 318.
Witherite
Formula: BaCO3
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 222; Tony Kampf (PXRD analysis).
Wollastonite
Formula: CaSiO3
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 388.
Zircon
Formula: Zr(SiO4)
Description: Occurs in a soda granite porphyry.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 177, 345.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Diamond1.CB.10aC
Gold1.AA.05Au
Graphite1.CB.05aC
Iridium1.AF.10(Ir,Os,Ru)
var: Osmiridium1.AF.10(Ir,Os,Ru)
var: Platiniridium1.AF.10(Ir,Pt)
var: Ruthenosmiridium1.AF.10(Ir,Os,Ru)
Iron1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Isoferroplatinum1.AG.35Pt3Fe
Mercury1.AD.05Hg
Osmium1.AF.05(Os,Ir,Ru)
var: Iridosmine1.AF.05(Os,Ir)
Platinum1.AF.10Pt
var: Ferroan Platinum1.AF.10(Pt,Fe)
Rutheniridosmine1.AF.05(Ir,Os,Ru)
Ruthenium1.AF.05(Ru,Ir)
Sulphur1.CC.05S8
Taenite1.AE.10(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Cinnabar2.CD.15aHgS
Cubanite2.CB.55aCuFe2S3
Digenite2.BA.10Cu9S5
Galena2.CD.10PbS
Heazlewoodite2.BB.05Ni3S2
Hessite2.BA.60Ag2Te
Laurite2.EB.05aRuS2
Marcasite2.EB.10aFeS2
Molybdenite2.EA.30MoS2
Nagyágite2.HB.20a[Pb3(Pb,Sb)3S6](Au,Te)3
Orpiment2.FA.30As2S3
Pentlandite2.BB.15(FexNiy)Σ9S8
Petzite2.BA.75Ag3AuTe2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Realgar2.FA.15aAs4S4
Sphalerite2.CB.05aZnS
Stibnite2.DB.05Sb2S3
Sylvanite2.EA.05(Au,Ag)2Te4
Troilite2.CC.10FeS
Group 3 - Halides
Halite3.AA.20NaCl
Group 4 - Oxides and Hydroxides
Ansermetite4.HD.30Mn2+(V2O6) · 4H2O
Arsenolite4.CB.50As2O3
Birnessite4.FL.45(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Brookite4.DD.10TiO2
Cassiterite4.DB.05SnO2
Chromite4.BB.05Fe2+Cr3+2O4
Claudetite ?4.CB.45As2O3
Cristobalite4.DA.15SiO2
Cuprite4.AA.10Cu2O
Hausmannite4.BB.10Mn2+Mn3+2O4
Hematite4.CB.05Fe2O3
Jacobsite4.BB.05Mn2+Fe3+2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Massicot4.AC.25PbO
Nsutite4.DB.15c(Mn4+,Mn2+)(O,OH)2
Opal4.DA.10SiO2 · nH2O
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Silhydrite (TL)4.FM.303SiO2 · H2O
Todorokite4.DK.10(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Tridymite4.DA.10SiO2
Vernadite4.FE.40(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Aragonite5.AB.15CaCO3
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Magnesite5.AB.05MgCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Rhodochrosite5.AB.05MnCO3
Siderite5.AB.05FeCO3
Witherite5.AB.15BaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Aluminocopiapite7.DB.35Al2/3Fe3+4(SO4)6(OH)2 · 20H2O
Baryte7.AD.35BaSO4
Bieberite7.CB.35CoSO4 · 7H2O
Brochantite7.BB.25Cu4(SO4)(OH)6
Chalcanthite7.CB.20CuSO4 · 5H2O
Copiapite7.DB.35Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Coquimbite7.CB.55Fe2-xAlx(SO4)3 · 9H2O, x ~0.5
Ferrimolybdite7.GB.30Fe2(MoO4)3 · nH2O
Fibroferrite7.DC.15Fe3+(SO4)(OH) · 5H2O
Goslarite7.CB.40ZnSO4 · 7H2O
Gypsum7.CD.40CaSO4 · 2H2O
Halotrichite7.CB.85FeAl2(SO4)4 · 22H2O
Jarosite7.BC.10KFe3+ 3(SO4)2(OH)6
Kornelite7.CB.60Fe2(SO4)3 · 7H2O
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
var: Cuprian Melanterite7.CB.35(Fe,Cu)SO4 · 7H2O
Morenosite7.CB.40NiSO4 · 7H2O
Römerite7.CB.75Fe2+Fe3+2(SO4)4 · 14H2O
Scheelite7.GA.05Ca(WO4)
Szomolnokite7.CB.05FeSO4 · H2O
Group 8 - Phosphates, Arsenates and Vanadates
Annabergite8.CE.40Ni3(AsO4)2 · 8H2O
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Hydroxylapatite8.BN.05Ca5(PO4)3(OH)
Whitlockite8.AC.45Ca9Mg(PO4)6(HPO4)
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite9.FA.35Na(AlSi3O8)
Anthophyllite9.DD.05☐{Mg2}{Mg5}(Si8O22)(OH)2
Bementite9.EE.05Mn7Si6O15(OH)8
Beryl9.CJ.05Be3Al2(Si6O18)
var: Emerald9.CJ.05Be3Al2(Si6O18)
var: Morganite9.CJ.05Be3Al2(Si6O18)
Braunite9.AG.05Mn2+Mn3+6(SiO4)O8
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Diopside9.DA.15CaMgSi2O6
var: Diallage9.DA.15CaMgSi2O6
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Inesite9.DL.05Ca2(Mn,Fe)7Si10O28(OH)2 · 5H2O
Julgoldite-(Fe2+)9.BG.20Ca2Fe2+Fe3+2(Si2O7)(SiO4)(OH)2 · H2O
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Kenyaite9.HA.10Na2Si22O41(OH)8 · 6H2O
Magadiite9.EA.20Na2Si14O29 · 11H2O
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mountainite9.GG.10KNa2Ca2[Si8O19(OH)] · 6H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Neotocite9.ED.20(Mn,Fe,Mg)SiO3 · H2O
Revdite9.DM.30Na16Si16O27(OH)26 · 28H2O
Rhodesite9.EB.05KHCa2Si8O19 · 5H2O
Rhodonite9.DK.05Mn2+SiO3
Talc9.EC.05Mg3Si4O10(OH)2
Tephroite9.AC.05Mn2+2SiO4
Titanite9.AG.15CaTi(SiO4)O
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Uvarovite9.AD.25Ca3Cr2(SiO4)3
Wollastonite9.DG.05CaSiO3
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
''-
'Amphibole Asbestos'-
'Asbestos'-
'Axinite Group'-
'Chlorite Group'-
'Clays'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Hypersthene'-(Mg,Fe)SiO3
'Iddingsite'-MgO · Fe2O3 · 3SiO2·4H2O
'Limonite'-(Fe,O,OH,H2O)
'Manganese Oxides'-
'Mica Group'-
'Ochre'-
'Phillipsite'-
'var: Wellsite'-(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
'Psilomelane'-
'Pumpellyite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Silica'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Gold1.1.1.1Au
Iron
var: Kamacite
1.1.11.1(Fe,Ni)
Mercury1.1.7.1Hg
Taenite1.1.11.2(Fe,Ni)
Platinum Group Metals and Alloys
Iridium1.2.1.2(Ir,Os,Ru)
Isoferroplatinum1.2.5.1Pt3Fe
Osmium1.2.2.1(Os,Ir,Ru)
Platinum1.2.1.1Pt
Rutheniridosmine1.2.2.3(Ir,Os,Ru)
Ruthenium1.2.2.2(Ru,Ir)
Semi-metals and non-metals
Diamond1.3.6.1C
Graphite1.3.6.2C
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
Digenite2.4.7.3Cu9S5
Hessite2.4.2.1Ag2Te
Petzite2.4.3.3Ag3AuTe2
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
Heazlewoodite2.5.3.1Ni3S2
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Realgar2.8.21.1As4S4
Sphalerite2.8.2.1ZnS
Troilite2.8.9.1FeS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Cubanite2.9.13.1CuFe2S3
AmBnXp, with (m+n):p = 2:3
Nagyágite2.11.10.1[Pb3(Pb,Sb)3S6](Au,Te)3
Orpiment2.11.1.1As2S3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Laurite2.12.1.10RuS2
Marcasite2.12.2.1FeS2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Sylvanite2.12.13.3(Au,Ag)2Te4
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
AX
Massicot4.2.7.1PbO
A2X3
Arsenolite4.3.9.1As2O3
Claudetite ?4.3.10.1As2O3
Hematite4.3.1.2Fe2O3
AX2
Brookite4.4.5.1TiO2
Cassiterite4.4.1.5SnO2
Nsutite4.4.8.1(Mn4+,Mn2+)(O,OH)2
Pyrolusite4.4.1.4Mn4+O2
Vernadite4.4.9.1(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Hausmannite7.2.7.1Mn2+Mn3+2O4
Jacobsite7.2.2.2Mn2+Fe3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
(AB)2X3
Birnessite7.5.3.1(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Braunite7.5.1.3Mn2+Mn3+6(SiO4)O8
AB3X7
Todorokite7.8.1.1(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 9 - NORMAL HALIDES
AX
Halite9.1.1.1NaCl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Magnesite14.1.1.2MgCO3
Rhodochrosite14.1.1.4MnCO3
Siderite14.1.1.3FeCO3
Witherite14.1.3.2BaCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Bieberite29.6.10.4CoSO4 · 7H2O
Chalcanthite29.6.7.1CuSO4 · 5H2O
Goslarite29.6.11.2ZnSO4 · 7H2O
Gypsum29.6.3.1CaSO4 · 2H2O
Melanterite29.6.10.1Fe2+(H2O)6SO4 · H2O
Morenosite29.6.11.3NiSO4 · 7H2O
Szomolnokite29.6.2.2FeSO4 · H2O
AB2(XO4)4·H2O
Halotrichite29.7.3.2FeAl2(SO4)4 · 22H2O
Römerite29.7.2.1Fe2+Fe3+2(SO4)4 · 14H2O
A2(XO4)3·H2O
Coquimbite29.8.3.1Fe2-xAlx(SO4)3 · 9H2O, x ~0.5
Kornelite29.8.2.1Fe2(SO4)3 · 7H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)(XO4)Zq·xH2O
Fibroferrite31.9.12.1Fe3+(SO4)(OH) · 5H2O
Miscellaneous
Aluminocopiapite31.10.5.7Al2/3Fe3+4(SO4)6(OH)2 · 20H2O
Copiapite31.10.5.1Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
(AB)3(XO4)2
Whitlockite38.3.4.1Ca9Mg(PO4)6(HPO4)
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
A3(XO4)2·xH2O
Annabergite40.3.6.4Ni3(AsO4)2 · 8H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Hydroxylapatite41.8.1.3Ca5(PO4)3(OH)
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 49 - HYDRATED MOLYBDATES AND TUNGSTATES
Hydrated Normal Molybdates and Tungstates
Ferrimolybdite49.2.1.1Fe2(MoO4)3 · nH2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Tephroite51.3.1.4Mn2+2SiO4
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Uvarovite51.4.3b.3Ca3Cr2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Julgoldite-(Fe2+)58.2.2.1Ca2Fe2+Fe3+2(Si2O7)(SiO4)(OH)2 · H2O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Wollastonite65.2.1.1cCaSiO3
Single-Width Unbranched Chains, W=1 with chains P=5
Rhodonite65.4.1.1Mn2+SiO3
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Anthophyllite66.1.2.1☐{Mg2}{Mg5}(Si8O22)(OH)2
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Amphiboles - Ca-Na subgroup
Inesite66.3.3.1Ca2(Mn,Fe)7Si10O28(OH)2 · 5H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Neotocite71.1.5.4(Mn,Fe,Mg)SiO3 · H2O
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with corrugated and complex layers
Rhodesite72.5.1.1KHCa2Si8O19 · 5H2O
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Revdite74.3.6.1Na16Si16O27(OH)26 · 28H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Cristobalite75.1.1.1SiO2
Quartz75.1.3.1SiO2
Tridymite75.1.2.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Silhydrite (TL)75.2.4.13SiO2 · H2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - related species
Mountainite77.2.3.1KNa2Ca2[Si8O19(OH)] · 6H2O
Group 78 - Unclassified Silicates
Bementite78.5.2.1Mn7Si6O15(OH)8
Kenyaite78.7.7.1Na2Si22O41(OH)8 · 6H2O
Magadiite78.7.12.1Na2Si14O29 · 11H2O
Unclassified Minerals, Mixtures, etc.
''-
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Amphibole Asbestos'-
Ansermetite-Mn2+(V2O6) · 4H2O
Aragonite-CaCO3
'Asbestos'-
'Axinite Group'-
Beryl
var: Emerald
-Be3Al2(Si6O18)
var: Morganite-Be3Al2(Si6O18)
'Chlorite Group'-
'Clays'-
Diopside
var: Diallage
-CaMgSi2O6
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Hypersthene'-(Mg,Fe)SiO3
'Iddingsite'-MgO · Fe2O3 · 3SiO2·4H2O
Iridium
var: Osmiridium
-(Ir,Os,Ru)
var: Platiniridium-(Ir,Pt)
var: Ruthenosmiridium-(Ir,Os,Ru)
Iron-Fe
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
'Manganese Oxides'-
Melanterite
var: Cuprian Melanterite
-(Fe,Cu)SO4 · 7H2O
'Mica Group'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Ochre'-
Osmium
var: Iridosmine
-(Os,Ir)
'Phillipsite'-
'var: Wellsite'-(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Platinum
var: Ferroan Platinum
-(Pt,Fe)
'Psilomelane'-
'Pumpellyite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Silica'-

List of minerals for each chemical element

HHydrogen
H Silhydrite3SiO2 · H2O
H InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
H CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
H ChalcanthiteCuSO4 · 5H2O
H BementiteMn7Si6O15(OH)8
H KenyaiteNa2Si22O41(OH)8 · 6H2O
H MagadiiteNa2Si14O29 · 11H2O
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H MountainiteKNa2Ca2[Si8O19(OH)] · 6H2O
H RhodesiteKHCa2Si8O19 · 5H2O
H Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H MalachiteCu2(CO3)(OH)2
H Julgoldite-(Fe2+)Ca2Fe2+Fe23+(Si2O7)(SiO4)(OH)2 · H2O
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H FerrimolybditeFe2(MoO4)3 · nH2O
H Limonite(Fe,O,OH,H2O)
H AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
H KorneliteFe2(SO4)3 · 7H2O
H BieberiteCoSO4 · 7H2O
H GoslariteZnSO4 · 7H2O
H CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
H RömeriteFe2+Fe23+(SO4)4 · 14H2O
H FibroferriteFe3+(SO4)(OH) · 5H2O
H BrochantiteCu4(SO4)(OH)6
H JarositeKFe3+ 3(SO4)2(OH)6
H AnsermetiteMn2+(V2O6) · 4H2O
H Neotocite(Mn,Fe,Mg)SiO3 · H2O
H AzuriteCu3(CO3)2(OH)2
H ChrysotileMg3(Si2O5)(OH)4
H TalcMg3Si4O10(OH)2
H Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
H AnnabergiteNi3(AsO4)2 · 8H2O
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H HydroxylapatiteCa5(PO4)3(OH)
H WhitlockiteCa9Mg(PO4)6(HPO4)
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
H HalotrichiteFeAl2(SO4)4 · 22H2O
H MelanteriteFe2+(H2O)6SO4 · H2O
H MorenositeNiSO4 · 7H2O
H Melanterite (var: Cuprian Melanterite)(Fe,Cu)SO4 · 7H2O
H SzomolnokiteFeSO4 · H2O
H Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
H Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
H Nsutite(Mn4+,Mn2+)(O,OH)2
H Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
H KaoliniteAl2(Si2O5)(OH)4
H GypsumCaSO4 · 2H2O
H OpalSiO2 · nH2O
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H RevditeNa16Si16O27(OH)26 · 28H2O
BeBeryllium
Be Beryl (var: Emerald)Be3Al2(Si6O18)
Be Beryl (var: Morganite)Be3Al2(Si6O18)
Be BerylBe3Al2(Si6O18)
CCarbon
C CalciteCaCO3
C RhodochrositeMnCO3
C AnkeriteCa(Fe2+,Mg)(CO3)2
C MalachiteCu2(CO3)(OH)2
C AragoniteCaCO3
C DiamondC
C GraphiteC
C SideriteFeCO3
C WitheriteBaCO3
C AzuriteCu3(CO3)2(OH)2
C MagnesiteMgCO3
OOxygen
O Silhydrite3SiO2 · H2O
O InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
O CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
O ChalcanthiteCuSO4 · 5H2O
O BementiteMn7Si6O15(OH)8
O BaryteBaSO4
O KenyaiteNa2Si22O41(OH)8 · 6H2O
O MagadiiteNa2Si14O29 · 11H2O
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O MountainiteKNa2Ca2[Si8O19(OH)] · 6H2O
O RhodesiteKHCa2Si8O19 · 5H2O
O CalciteCaCO3
O HausmanniteMn2+Mn23+O4
O RhodochrositeMnCO3
O Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
O AnkeriteCa(Fe2+,Mg)(CO3)2
O QuartzSiO2
O BrookiteTiO2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O MalachiteCu2(CO3)(OH)2
O Julgoldite-(Fe2+)Ca2Fe2+Fe23+(Si2O7)(SiO4)(OH)2 · H2O
O AragoniteCaCO3
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O DiopsideCaMgSi2O6
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O ChromiteFe2+Cr23+O4
O RhodoniteMn2+SiO3
O CupriteCu2O
O ScheeliteCa(WO4)
O SideriteFeCO3
O PyrolusiteMn4+O2
O HematiteFe2O3
O AlbiteNa(AlSi3O8)
O FerrimolybditeFe2(MoO4)3 · nH2O
O Limonite(Fe,O,OH,H2O)
O UvaroviteCa3Cr2(SiO4)3
O BrauniteMn2+Mn63+(SiO4)O8
O AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
O KorneliteFe2(SO4)3 · 7H2O
O BieberiteCoSO4 · 7H2O
O GoslariteZnSO4 · 7H2O
O CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
O RömeriteFe2+Fe23+(SO4)4 · 14H2O
O FibroferriteFe3+(SO4)(OH) · 5H2O
O WitheriteBaCO3
O BrochantiteCu4(SO4)(OH)6
O JarositeKFe3+ 3(SO4)2(OH)6
O AnsermetiteMn2+(V2O6) · 4H2O
O Neotocite(Mn,Fe,Mg)SiO3 · H2O
O CassiteriteSnO2
O TephroiteMn22+SiO4
O AzuriteCu3(CO3)2(OH)2
O ChrysotileMg3(Si2O5)(OH)4
O TalcMg3Si4O10(OH)2
O Hypersthene(Mg,Fe)SiO3
O MagnetiteFe2+Fe23+O4
O Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
O AnnabergiteNi3(AsO4)2 · 8H2O
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O WollastoniteCaSiO3
O HydroxylapatiteCa5(PO4)3(OH)
O WhitlockiteCa9Mg(PO4)6(HPO4)
O TridymiteSiO2
O CristobaliteSiO2
O MagnesiteMgCO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Garnet GroupX3Z2(SiO4)3
O TitaniteCaTi(SiO4)O
O ZirconZr(SiO4)
O Beryl (var: Emerald)Be3Al2(Si6O18)
O MuscoviteKAl2(AlSi3O10)(OH)2
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
O MassicotPbO
O Diopside (var: Diallage)CaMgSi2O6
O Beryl (var: Morganite)Be3Al2(Si6O18)
O ArsenoliteAs2O3
O HalotrichiteFeAl2(SO4)4 · 22H2O
O MelanteriteFe2+(H2O)6SO4 · H2O
O MorenositeNiSO4 · 7H2O
O Melanterite (var: Cuprian Melanterite)(Fe,Cu)SO4 · 7H2O
O SzomolnokiteFeSO4 · H2O
O Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
O Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
O Nsutite(Mn4+,Mn2+)(O,OH)2
O Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
O KaoliniteAl2(Si2O5)(OH)4
O JacobsiteMn2+Fe23+O4
O GypsumCaSO4 · 2H2O
O OpalSiO2 · nH2O
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O BerylBe3Al2(Si6O18)
O RevditeNa16Si16O27(OH)26 · 28H2O
O ClaudetiteAs2O3
NaSodium
Na KenyaiteNa2Si22O41(OH)8 · 6H2O
Na MagadiiteNa2Si14O29 · 11H2O
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na MountainiteKNa2Ca2[Si8O19(OH)] · 6H2O
Na AlbiteNa(AlSi3O8)
Na Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Na Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Na Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
Na HaliteNaCl
Na RevditeNa16Si16O27(OH)26 · 28H2O
MgMagnesium
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg DiopsideCaMgSi2O6
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
Mg Neotocite(Mn,Fe,Mg)SiO3 · H2O
Mg ChrysotileMg3(Si2O5)(OH)4
Mg TalcMg3Si4O10(OH)2
Mg Hypersthene(Mg,Fe)SiO3
Mg Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg WhitlockiteCa9Mg(PO4)6(HPO4)
Mg MagnesiteMgCO3
Mg IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Mg Diopside (var: Diallage)CaMgSi2O6
Mg Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
AlAluminium
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al AlbiteNa(AlSi3O8)
Al AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Beryl (var: Emerald)Be3Al2(Si6O18)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Beryl (var: Morganite)Be3Al2(Si6O18)
Al HalotrichiteFeAl2(SO4)4 · 22H2O
Al Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Al KaoliniteAl2(Si2O5)(OH)4
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al BerylBe3Al2(Si6O18)
SiSilicon
Si Silhydrite3SiO2 · H2O
Si InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
Si BementiteMn7Si6O15(OH)8
Si KenyaiteNa2Si22O41(OH)8 · 6H2O
Si MagadiiteNa2Si14O29 · 11H2O
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si MountainiteKNa2Ca2[Si8O19(OH)] · 6H2O
Si RhodesiteKHCa2Si8O19 · 5H2O
Si Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Si QuartzSiO2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si Julgoldite-(Fe2+)Ca2Fe2+Fe23+(Si2O7)(SiO4)(OH)2 · H2O
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si DiopsideCaMgSi2O6
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si RhodoniteMn2+SiO3
Si AlbiteNa(AlSi3O8)
Si UvaroviteCa3Cr2(SiO4)3
Si BrauniteMn2+Mn63+(SiO4)O8
Si Neotocite(Mn,Fe,Mg)SiO3 · H2O
Si TephroiteMn22+SiO4
Si ChrysotileMg3(Si2O5)(OH)4
Si TalcMg3Si4O10(OH)2
Si Hypersthene(Mg,Fe)SiO3
Si Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si WollastoniteCaSiO3
Si TridymiteSiO2
Si CristobaliteSiO2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Garnet GroupX3Z2(SiO4)3
Si TitaniteCaTi(SiO4)O
Si ZirconZr(SiO4)
Si Beryl (var: Emerald)Be3Al2(Si6O18)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Si Diopside (var: Diallage)CaMgSi2O6
Si Beryl (var: Morganite)Be3Al2(Si6O18)
Si KaoliniteAl2(Si2O5)(OH)4
Si OpalSiO2 · nH2O
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si BerylBe3Al2(Si6O18)
Si RevditeNa16Si16O27(OH)26 · 28H2O
PPhosphorus
P HydroxylapatiteCa5(PO4)3(OH)
P WhitlockiteCa9Mg(PO4)6(HPO4)
P AutuniteCa(UO2)2(PO4)2 · 11H2O
SSulfur
S CinnabarHgS
S Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
S CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
S ChalcanthiteCuSO4 · 5H2O
S BaryteBaSO4
S PyriteFeS2
S BorniteCu5FeS4
S ChalcociteCu2S
S DigeniteCu9S5
S ChalcopyriteCuFeS2
S PyrrhotiteFe7S8
S Pentlandite(FexNiy)Σ9S8
S SphaleriteZnS
S GalenaPbS
S MolybdeniteMoS2
S MarcasiteFeS2
S AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
S KorneliteFe2(SO4)3 · 7H2O
S BieberiteCoSO4 · 7H2O
S GoslariteZnSO4 · 7H2O
S CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
S RömeriteFe2+Fe23+(SO4)4 · 14H2O
S FibroferriteFe3+(SO4)(OH) · 5H2O
S BrochantiteCu4(SO4)(OH)6
S SulphurS8
S JarositeKFe3+ 3(SO4)2(OH)6
S StibniteSb2S3
S TroiliteFeS
S RealgarAs4S4
S HeazlewooditeNi3S2
S LauriteRuS2
S ArsenopyriteFeAsS
S HalotrichiteFeAl2(SO4)4 · 22H2O
S MelanteriteFe2+(H2O)6SO4 · H2O
S MorenositeNiSO4 · 7H2O
S OrpimentAs2S3
S Melanterite (var: Cuprian Melanterite)(Fe,Cu)SO4 · 7H2O
S SzomolnokiteFeSO4 · H2O
S CubaniteCuFe2S3
S GypsumCaSO4 · 2H2O
ClChlorine
Cl HaliteNaCl
KPotassium
K MountainiteKNa2Ca2[Si8O19(OH)] · 6H2O
K RhodesiteKHCa2Si8O19 · 5H2O
K Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
K JarositeKFe3+ 3(SO4)2(OH)6
K MuscoviteKAl2(AlSi3O10)(OH)2
K Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Ca MountainiteKNa2Ca2[Si8O19(OH)] · 6H2O
Ca RhodesiteKHCa2Si8O19 · 5H2O
Ca CalciteCaCO3
Ca Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca Julgoldite-(Fe2+)Ca2Fe2+Fe23+(Si2O7)(SiO4)(OH)2 · H2O
Ca AragoniteCaCO3
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca DiopsideCaMgSi2O6
Ca ScheeliteCa(WO4)
Ca UvaroviteCa3Cr2(SiO4)3
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca WollastoniteCaSiO3
Ca HydroxylapatiteCa5(PO4)3(OH)
Ca WhitlockiteCa9Mg(PO4)6(HPO4)
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca TitaniteCaTi(SiO4)O
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca Diopside (var: Diallage)CaMgSi2O6
Ca Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Ca Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Ca Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
Ca GypsumCaSO4 · 2H2O
TiTitanium
Ti BrookiteTiO2
Ti TitaniteCaTi(SiO4)O
VVanadium
V AnsermetiteMn2+(V2O6) · 4H2O
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr UvaroviteCa3Cr2(SiO4)3
MnManganese
Mn InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
Mn BementiteMn7Si6O15(OH)8
Mn HausmanniteMn2+Mn23+O4
Mn RhodochrositeMnCO3
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mn RhodoniteMn2+SiO3
Mn PyrolusiteMn4+O2
Mn BrauniteMn2+Mn63+(SiO4)O8
Mn AnsermetiteMn2+(V2O6) · 4H2O
Mn Neotocite(Mn,Fe,Mg)SiO3 · H2O
Mn TephroiteMn22+SiO4
Mn Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Mn Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Mn Nsutite(Mn4+,Mn2+)(O,OH)2
Mn Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
Mn JacobsiteMn2+Fe23+O4
FeIron
Fe CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Fe IsoferroplatinumPt3Fe
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe PyriteFeS2
Fe BorniteCu5FeS4
Fe Julgoldite-(Fe2+)Ca2Fe2+Fe23+(Si2O7)(SiO4)(OH)2 · H2O
Fe Iron (var: Kamacite)(Fe,Ni)
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe ChalcopyriteCuFeS2
Fe PyrrhotiteFe7S8
Fe Pentlandite(FexNiy)Σ9S8
Fe ChromiteFe2+Cr23+O4
Fe SideriteFeCO3
Fe HematiteFe2O3
Fe FerrimolybditeFe2(MoO4)3 · nH2O
Fe Limonite(Fe,O,OH,H2O)
Fe MarcasiteFeS2
Fe AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
Fe KorneliteFe2(SO4)3 · 7H2O
Fe CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
Fe RömeriteFe2+Fe23+(SO4)4 · 14H2O
Fe FibroferriteFe3+(SO4)(OH) · 5H2O
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe Neotocite(Mn,Fe,Mg)SiO3 · H2O
Fe Taenite(Fe,Ni)
Fe TroiliteFeS
Fe Hypersthene(Mg,Fe)SiO3
Fe MagnetiteFe2+Fe23+O4
Fe Platinum (var: Ferroan Platinum)(Pt,Fe)
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Fe ArsenopyriteFeAsS
Fe HalotrichiteFeAl2(SO4)4 · 22H2O
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe Melanterite (var: Cuprian Melanterite)(Fe,Cu)SO4 · 7H2O
Fe SzomolnokiteFeSO4 · H2O
Fe CubaniteCuFe2S3
Fe Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
Fe JacobsiteMn2+Fe23+O4
Fe IronFe
CoCobalt
Co BieberiteCoSO4 · 7H2O
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Ni Pentlandite(FexNiy)Σ9S8
Ni Taenite(Fe,Ni)
Ni AnnabergiteNi3(AsO4)2 · 8H2O
Ni HeazlewooditeNi3S2
Ni MorenositeNiSO4 · 7H2O
CuCopper
Cu ChalcanthiteCuSO4 · 5H2O
Cu BorniteCu5FeS4
Cu ChalcociteCu2S
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu CopperCu
Cu DigeniteCu9S5
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcopyriteCuFeS2
Cu CupriteCu2O
Cu BrochantiteCu4(SO4)(OH)6
Cu AzuriteCu3(CO3)2(OH)2
Cu Melanterite (var: Cuprian Melanterite)(Fe,Cu)SO4 · 7H2O
Cu CubaniteCuFe2S3
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Zn SphaleriteZnS
Zn GoslariteZnSO4 · 7H2O
AsArsenic
As AnnabergiteNi3(AsO4)2 · 8H2O
As RealgarAs4S4
As ArsenopyriteFeAsS
As ArsenoliteAs2O3
As OrpimentAs2S3
As ClaudetiteAs2O3
SrStrontium
Sr Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
Mo FerrimolybditeFe2(MoO4)3 · nH2O
RuRuthenium
Ru Ruthenium(Ru,Ir)
Ru LauriteRuS2
Ru Iridium (var: Osmiridium)(Ir,Os,Ru)
Ru Iridium (var: Ruthenosmiridium)(Ir,Os,Ru)
Ru Rutheniridosmine(Ir,Os,Ru)
AgSilver
Ag Sylvanite(Au,Ag)2Te4
Ag HessiteAg2Te
Ag PetziteAg3AuTe2
SnTin
Sn CassiteriteSnO2
SbAntimony
Sb Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Sb StibniteSb2S3
TeTellurium
Te Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Te Sylvanite(Au,Ag)2Te4
Te HessiteAg2Te
Te PetziteAg3AuTe2
BaBarium
Ba BaryteBaSO4
Ba Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Ba WitheriteBaCO3
Ba Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
WTungsten
W ScheeliteCa(WO4)
OsOsmium
Os Osmium(Os,Ir,Ru)
Os Osmium (var: Iridosmine)(Os,Ir)
Os Iridium (var: Osmiridium)(Ir,Os,Ru)
Os Iridium (var: Ruthenosmiridium)(Ir,Os,Ru)
Os Rutheniridosmine(Ir,Os,Ru)
IrIridium
Ir Osmium (var: Iridosmine)(Os,Ir)
Ir Iridium(Ir,Os,Ru)
Ir Iridium (var: Osmiridium)(Ir,Os,Ru)
Ir Iridium (var: Ruthenosmiridium)(Ir,Os,Ru)
Ir Rutheniridosmine(Ir,Os,Ru)
Ir Iridium (var: Platiniridium)(Ir,Pt)
PtPlatinum
Pt PlatinumPt
Pt IsoferroplatinumPt3Fe
Pt Platinum (var: Ferroan Platinum)(Pt,Fe)
Pt Iridium (var: Platiniridium)(Ir,Pt)
AuGold
Au GoldAu
Au Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Au Sylvanite(Au,Ag)2Te4
Au PetziteAg3AuTe2
HgMercury
Hg CinnabarHgS
Hg MercuryHg
PbLead
Pb Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Pb GalenaPbS
Pb MassicotPbO
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Shepard, Charles Upham (1885), On meteoric iron from Trinity County, California: American Journal of Science 3rd. series: 29: 469.
Miller, William P. (1890), Trinity County: California Mining Bureau. Report 10: 695-727.
Dunn, Russell L. (1893), Siskiyou, Trinity Counties: California Mining Bureau. Report 11: 420-449, 480-484.
Ward, Henry A. (1904), The Canyon City meteorite from Trinity County California: American Journal of Science, 4th. Series: 17: 383-384.
MacDonald, Donald Francis (1910), The Weaverville-Trinity Center gold gravels, Trinity County, California: USGS Bulletin 430: 48-58.
Brown, G. Chester (1913), The Counties of Shasta, Siskiyou and Trinity: California Journal of Mines and Geology (Report 14): 14(4): 900-901.
MacDonald, Donald Francis (1913), Notes on the gold lodes of the Carrville district, Trinity County, California: USGS Bulletin 530D: 9-41.
Brown, G. Chester (1916b), Shasta, Siskiyou, Trinity Counties: California Mining Bureau. (Report 14): 14(4): 745-925.
Bradley, W.W., Huguenin, Emile, Logan, C.A., Tucker, W.B., and Waring, C.A. (1918), Manganese and chromium in California: California Mining Bureau. Bulletin 76: 89.
Tucker, W. Burling (1922), Gold lodes of the East Fork Mining District, Trinity County, California: California Journal of Mines and Geology, California Mining Bureau. (Report 18): 18: 270-273.
Tucker, W.Burling (1923), Trinity County: California Journal of Mines and Geology, California Mining Bureau (Report 19).
Logan, Clarence August (1926), El Dorado, Shasta and Trinity Counties: California Journal of Mines and Geology, California Mining Bureau. (Report 22): 22(2): 1-67, 121-216, 397-452.
Laudermilk, Jerome Douglas & Alfred O. Woodford (1930), Soda-rich anthophyllite asbestos from Trinity County: American Mineralogist: 15: 259-262.
Averill, C.V. (1938), Gold dredging in Shasta, Siskiyou and Trinity counties: California Journal of Mines and Geology, California Division Mines (Report 34): 34(1): 96-126.
Bradley, W.W. (1940), Thirty-sixth report of the State Mineralogist: California Division Mines Report 36: 106.
Averill, Charles V. (1941), Mineral resources of Trinity and Humboldt Counties: California Journal of Mines and Geology, California Division Mines (Report 37): 37(1): 8-89.
O’Brien, J.C. (1943), Current notes on activity in the strategic minerals, Redding field district: California Division Mines Report 39: 84.
Anonymous (1950), Jade find in Trinity County: Mineral Notes & News No. 159 (Dec 50): 1-2.
Albers, John P. (1964), Geology of the French Gulch quadrangle, Shasta and Trinity Counties, California, USGS Bulletin 1141-J: J1-J70.
Lydon, Philip Andrew (1964), “Silicate slag” from Trinity County: California Division Mines & Geology, Mineral Information Service: 17: 96-101.
Albers, John P. (1965), Economic Geology of the French Gulch Quadrangle, Shasta and Trinity Counties, California: California Division Mines and Geology Special Report 85: 22.
O’Brien, J.C. (1965) Mines and mineral resources of Trinity County, California. Caifornia Division of Mines and Geology County Report 4: 125 pp.
Wells, F.G. and Hawkes, H.E. (1965) Chromite deposits of Shasta, Tehama, Trinity and Humboldt counties, California. California Division Mines and Geology Bulletin 134, part 1, chapter 3: 130-191.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 91, 224, 257, 299.
McAtee, J.L., House, R., and Eugster, H.P. (1968) Magadiite from Trinity County, California. American Mineralogist: 53: 2061-2069.
Gude, A.J. (1969) Hydrous sodium silicate minerals, Trinity County, California (abstract) Geological Society of America Abstract with Program, part 7: 86.
Sheppard, R.A. and Gude, A.J. (1969a) Rhodesite from Trinity County, California. American Mineralogist: 54: 251-255.
Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193.
Snetsinger, K.G. (1971a) Platinum-metal nugget from Trinity County, California. American Mineralogist: 56(5-6): 1101-1105.
Gude, A.J. and Sheppard, R.A. (1972) Silhydrite, 3SiO2 •H2O, a new mineral from Trinity County, California. American Mineralogist: 57: 1053-1065.
Hotz, Preston Enslow, Thurber, H.K., Marks, L.Y., and Evans, R.K. (1972), Mineral resources of the Salmon-Trinity Alps Primitive Area, California: USGS Bulletin 1371-B, 267 p.
Longwill, Warren D. (1979) Mineral Resources of Yolla Bolly area, Trinity County, California.
Longwill, Warren D. (1981), Mineral Resources of the Big Butte-Shinbone (5145), East Fork (5226), Murphy Glade (5298), and Wilderness Contiguous (5137) Rare II Proposed Addition to the Yolla Bolly-Middle Eel Wilderness, Trinity, Tehema, and Mendicino Counties, California.
Peters, T.J. (1983) Mineral Investigation of the Weaver Bally Rare II Area (No. 5804), Trinity County, California: U.S. Bureau of Mines Open File Report MLA 93-83, 22p.
Blake, Jr., M.C., and Peters, T.J. (1984b), Mineral Resource Potential map of the Weaver Bally Roadless area, Trinity County, California: USGS Map NF-1657-A.

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