Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 65.

ⓘ Aragonite

Formula: CaCO₃

Locality: Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Arsenolite

Formula: As₂O₃

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Description: Octahedral crystals to 1 mm in size.

ⓘ Arsenopyrite

Formula: FeAsS

Localities:

Weaverville, Weaverville District, Klamath Mountains, Trinity County, California, USA
Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA
Democrat group, Weaverville, Weaverville District, Klamath Mountains, Trinity County, California, USA

Description: Moderately common in Au ores.

References:

Averill, Charles V. (1941), Mineral resources of Trinity and Humboldt Counties: California Journal of Mines and Geology, California Division Mines (Report 37): 37: 28, 42, 64

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 87.

ⓘ 'Asbestos'

Localities: Reported from at least 22 localities in this region.

References:

Brown, G.C. (1916b), Shasta, Siskiyou, Trinity Counties: California Mining Bureau. Report 14: 876, 877

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 68.

ⓘ Autunite

Formula: Ca(UO₂)₂(PO₄)₂ · 10-12H₂O

References:

Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559.

ⓘ 'Axinite Group'

Localities:

Spider Mine (Spider claim; Spider prospect; Caudwell claim; Goat Camp claims), Pony Buck Peak, Klamath Mountains, Trinity County, California, USA
Trout Creek deposit, Pony Buck Peak, Klamath Mountains, Trinity County, California, USA

Description: Occurs as veinlets.

References:

Van Nostrand Reinholt Press: 508.

Hewett, Donnel Foster, Charles Wesley Chesterman & Bennie Wyatt Troxel (1961), Tephroite in California manganese deposits: Economic Geology: 56: 58

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Azurite

Formula: Cu₃(CO₃)₂(OH)₂

Localities:

Murphy Mine (Copper King Mine; Copper Queen Mine; Copper Jack Mine; Copper Ace Mine; Copper Ten Mine), Copper Hill, South Fork Mining District, Klamath Mountains, Trinity County, California, USA
Archibald deposit, Denny, New River Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA
Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA
Unnamed Cu occurrence [3], Ramshorn Summit, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

References:

Van Nostrand Reinholt Press: 228.

Stinson, Melvin Clarence (1957a), Geology of the Island Mountain copper mine, Trinity County, California: California Journal of Mines and Geology: 53: 25

O’Brien, J.C. (1965) Mines and mineral resources of Trinity County, California. Caifornia Division of Mines and Geology County Report 4: 125 pp.: 21-22

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Baryte

Formula: BaSO₄

Localities: Reported from at least 7 localities in this region.

References:

www.mineralsocal.org

Tony Kampf (PXRD analysis)

ⓘ Bementite

Formula: Mn₇Si₆O₁₅(OH)₈

Localities: Reported from at least 19 localities in this region.

References:

Van Nostrand Reinholt Press: 414

www.mineralsocal.org.

Trask, Parker Davies, Ivan F. Wilson & F.S. Simons (1943), Manganese deposits of California – a summary report: California Division Mines Bulletin 125: 59, 194-206

Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 310, 314, 310, 319

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Beryl

Formula: Be₃Al₂(Si₆O₁₈)

Localities:

J. Carr's Mine, Coffee Mining District (Coffee Creek Mining District), Klamath Mountains, Trinity County, California, USA
Unnamed placer gemstone deposits [1], Hamburg area, Klamath Mountains, Trinity County, California, USA

Colour: Emerald-green

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 104.

ⓘ Beryl var. Emerald

Formula: Be₃Al₂(Si₆O₁₈)

Locality: J. Carr's Mine, Coffee Mining District (Coffee Creek Mining District), Klamath Mountains, Trinity County, California, USA

Colour: Emerald-green

ⓘ Beryl var. Morganite

Formula: Be₃Al₂(Si₆O₁₈)

Locality: Unnamed placer gemstone deposits [1], Hamburg area, Klamath Mountains, Trinity County, California, USA

Colour: Pink

Description: Crystals occur in placer deposits. Identification as beryl by Sperisen & Melhase.

ⓘ Bieberite

Formula: CoSO₄ · 7H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Colour: Pale rose-red

Description: Occurs in small amounts as a powder on pyrrhotite with other alteration products of the pyrrhotite.

ⓘ Birnessite

Formula: (Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O

Locality: Blue Jay Mine (Blue Jay claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Coastal Range, Trinity County, California, USA

ⓘ Bornite

Formula: Cu₅FeS₄

Localities:

Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA
Murphy Mine (Copper King Mine; Copper Queen Mine; Copper Jack Mine; Copper Ace Mine; Copper Ten Mine), Copper Hill, South Fork Mining District, Klamath Mountains, Trinity County, California, USA
Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

References:

Mineralogical Record:18(5):341

ⓘ Braunite

Formula: Mn²⁺Mn³⁺₆(SiO₄)O₈

Localities:

Yolla Bolly Mountain claims (Lonesome Pine; Black Diamond; Black Pearl; Bertha property; Dahrman claim; Emma claim; Emma property; Reliance and Superior claims), Chicago Rock, Coastal Range, Trinity County, California, USA
Manganese Queen Mine (Manganese Queen property), Dubakella Mountain, Klamath Mountains, Trinity County, California, USA
Unspecified Mn deposit [1], Peanut, Hayfork Mining District, Klamath Mountains, Trinity County, California, USA
Shell View deposits (Shellview claims), Kekawaka, Coastal Range, Trinity County, California, USA
Blue Jay Mine (Blue Jay claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Coastal Range, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Brochantite

Formula: Cu₄(SO₄)(OH)₆

Locality: Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA

ⓘ Brookite

Formula: TiO₂

Locality: Brookite occurrence, Mad River Rock, Coastal Range, Trinity County, California, USA

ⓘ Calcite

Formula: CaCO₃

Localities: Reported from at least 16 localities in this region.

References:

www.mineralsocal.org

ⓘ Cassiterite

Formula: SnO₂

Localities:

Weaverville Unit Placer Mine, Weaverville, Weaverville District, Klamath Mountains, Trinity County, California, USA
Weaverville, Weaverville District, Klamath Mountains, Trinity County, California, USA
Unnamed Sn occurrence [1], Weaverville, Weaverville District, Klamath Mountains, Trinity County, California, USA

References:

Eakle, Arthur S. (1914) Minerals of California. Bulletin 67. California State Mining Bureau

ⓘ Chalcanthite

Formula: CuSO₄ · 5H₂O

Localities:

Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA
New River area, New River, New River Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA

Description: Occurs with other sulphates.

References:

Van Nostrand Reinholt Press: 297

Dana 7: II: 490 & 626.

Stinson, Melvin Clarence (1957a), Geology of the Island Mountain copper mine, Trinity County, California: California Journal of Mines and Geology: 53: 24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 128

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Chalcocite

Formula: Cu₂S

Localities: Reported from at least 7 localities in this region.

References:

Mineralogical Record:18(5):341

ⓘ Chalcopyrite

Formula: CuFeS₂

Localities: Reported from at least 23 localities in this region.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ 'Chlorite Group'

Localities:

Copper Queen Mine (Copper Queen lode; Copper Queen group), Bonanza King lookout, Bonanza King, Trinity Fork Mining District (Trinity Mining District), Trinity Mountains, Klamath Mountains, Trinity County, California, USA
Globe Consolidated Mine (Bailey and Chloride Mine; Globe-Bailey-Chloride Mine; North Star claim; Globe Consolidated group; Bailey Mine; Chloride Mine; Moonlight claim; Brown Bear claim; Bailey group; Globe group), Dedrick, Canyon Creek Mining District, Klamath Mountains, Trinity County, California, USA
Trinity Gold Mine, Hoosimbim Mountain, Hayfork Mining District, Klamath Mountains, Trinity County, California, USA
Democrat group, Weaverville, Weaverville District, Klamath Mountains, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Localities: Reported from at least 80 localities in this region.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Chrysocolla

Formula: Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1

Localities:

Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA
Armstrong No. 3 prospect, Armstrong property, Shannon Butte, Coastal Range, Trinity County, California, USA ? (more information)

References:

Mineralogical Record:18(5):341

ⓘ Chrysotile

Formula: Mg₃(Si₂O₅)(OH)₄

Localities:

Red Mountain deposit (Virginia Bruce), Red Mountain, Coastal Range, Trinity County, California, USA
Hoaglin claim (Hoaglin Mine), Sherer Ridge, Scott Mountains, Klamath Mountains, Trinity County, California, USA
Jones Brothers Mine, Coffee Creek, Coffee Mining District (Coffee Creek Mining District), Klamath Mountains, Trinity County, California, USA
Trinity claim (Trinity Asbestos claim), Whisky Bill Peak, Trinity Mountains, Klamath Mountains, Trinity County, California, USA
Trinity River prospect (Trinity River claim; Three Rattles and A Button; Sauage Nos. 2 & 3), Sherer Ridge, Scott Mountains, Klamath Mountains, Trinity County, California, USA

Description: Commercial quantities mined.

References:

Van Nostrand Reinholt Press: 424.

Wiebelt, F.J. and Smith M.C. (1959) A reconnaissance of asbestos deposits of the serpentine belt of northern California. U.S. Bureau of Mines Report of Investigation 7860, 52 pp.: 40-46

O’Brien, J.C. (1965) Mines and mineral resources of Trinity County, California. Caifornia Division of Mines and Geology County Report 4: 125 pp.: 15-17

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Cinnabar

Formula: HgS

Localities: Reported from at least 13 localities in this region.

Description: Occurs as very large crystals in quartz and ankerite.

References:

Dana 6:1097

Miller, William P. (1890), Trinity County: California Mining Bureau. Report 10: 716

Bixby, Maynard (1895), Notable minerals in western mines II: Mineral Collector: 1: 168-169

Swinney, Chauncey Melvin (1950), The Altoona quicksilver mine, Trinity County California: California Journal of Mines and Geology: 46: 395-404

O'Brien, J. C. (1965) Mines and mineral resources of Trinity County, California. County Report 4. California Division of Mines and Geology

ⓘ ~~Claudetite~~

Formula: As₂O₃

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA - erroneously reported

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).

ⓘ 'Clay minerals'

Localities:

Altoona Mine (Castella Corp. Mine; Rare Metals Corp. of America; Universal Silvers; Trinity claim; Blockade claim), Ramshorn Summit, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA
Unnamed Clay occurrence [1], Barleyfield Peak, Indian Creek Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

References:

Van Nostrand Reinholt Press: 124.

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Copiapite

Formula: Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Colour: Pale brown

Description: Scaly masses.

ⓘ Copper

Formula: Cu

Localities: Reported from at least 8 localities in this region.

References:

Van Nostrand Reinholt Press: 50

Taliaferro, Nicholas Lloyd & F.S. Hudson (1943), Genesis of the manganese deposits of the Coast Ranges of California: California Division Mines Bulletin: 269

Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 318

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

Mineralogical Record (1987): 18(5): 341.

ⓘ Coquimbite

Formula: AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

ⓘ Cristobalite

Formula: SiO₂

Locality: Unnamed Phosphate occurrence [1], Hyampom, Klamath Mountains, Trinity County, California, USA

Description: Occurs in metasedimentary rocks from a contact of volcanics.

ⓘ Cubanite

Formula: CuFe₂S₃

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Description: Occurs as small blebs in chalcopyrite.

ⓘ Cuprite

Formula: Cu₂O

Localities:

Blue Jay Mine (Blue Jay claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Coastal Range, Trinity County, California, USA
Murphy Mine (Copper King Mine; Copper Queen Mine; Copper Jack Mine; Copper Ace Mine; Copper Ten Mine), Copper Hill, South Fork Mining District, Klamath Mountains, Trinity County, California, USA

References:

Van Nostrand Reinholt Press: 182.

O’Brien, J.C. (1943), Current notes on activity in the strategic minerals, Redding field district: California Division Mines Report 39: 84

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Diamond

Formula: C

References:

Gems Gemol. 26 (3): 212-219.

ⓘ Digenite

Formula: Cu₉S₅

Locality: Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA

ⓘ Diopside

Formula: CaMgSi₂O₆

Localities:

Red Mountain Creek deposit, Coastal Range, Trinity County, California, USA
Chilcoot Creek-Bear Creek area, Klamath Mountains, Trinity County, California, USA

References:

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.

ⓘ Diopside var. Diallage

Formula: CaMgSi₂O₆

Locality: Chilcoot Creek-Bear Creek area, Klamath Mountains, Trinity County, California, USA

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Locality: Iron Mountain Mine, Norse Butte, Coastal Range, Trinity County, California, USA

Colour: Green

Description: Occurs in a soda granite porphyry.

ⓘ 'Fayalite-Forsterite Series'

Localities:

Tangle Blue Divide occurrence (Shoestring; Hornet; Gold Run), Tangle Blue Lake, Scott Mountains, Klamath Mountains, Trinity County, California, USA
Western Chrome Nos. 1; 3; 4, Copper Hill, South Fork Mining District, Klamath Mountains, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Ferrimolybdite

Formula: Fe₂(MoO₄)₃ · nH₂O

Localities:

Lowden occurrence, Douglas City, Weaverville District, Klamath Mountains, Trinity County, California, USA
Monarch Mine, Seven Up Peak, Trinity Alps Mountains, Klamath Mountains, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Fibroferrite

Formula: Fe³⁺(SO₄)(OH) · 5H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Colour: Yellow

Description: Occurs as fibrous aggregates.

ⓘ Galena

Formula: PbS

Localities: Reported from at least 16 localities in this region.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

Localities:

Iron Mountain Mine, Norse Butte, Coastal Range, Trinity County, California, USA
Index Mine (Quimby Mine), Denny, New River Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA
Unnamed Garnet occurrence [1], Seven Up Peak, Trinity Alps Mountains, Klamath Mountains, Trinity County, California, USA

Colour: Colourless

Description: Occurs in a soda granite porphyry.

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 177, 345.

ⓘ Gold

Formula: Au

Localities: Reported from at least 539 localities in this region.

Description: Placer material.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Goslarite

Formula: ZnSO₄ · 7H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Description: Occurs with other sulphate minerals.

ⓘ Graphite

Formula: C

Localities:

Democrat group, Weaverville, Weaverville District, Klamath Mountains, Trinity County, California, USA
Five Pines Mine (Van Ness Mine; Surprise claim; Emma claim), Bowerman Peak, Minersville Mining District, Klamath Mountains, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

ⓘ Halite

Formula: NaCl

Locality: Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Halotrichite

Formula: FeAl₂(SO₄)₄ · 22H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Description: Occurs in tufts.

ⓘ Hausmannite

Formula: Mn²⁺Mn³⁺₂O₄

Localities: Reported from at least 7 localities in this region.

References:

Van Nostrand Reinholt Press: 167

www.mineralsocal.org.

Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 310, 314, 314

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Heazlewoodite

Formula: Ni₃S₂

Locality: Dorleska Mine, Preachers Peak, Klamath Mountains, Trinity County, California, USA

Description: Occurs as minute crystals in serpentine.

ⓘ Hematite

Formula: Fe₂O₃

Localities:

Forget-Me-Not Mine, Coffee Creek, Coffee Mining District (Coffee Creek Mining District), Klamath Mountains, Trinity County, California, USA
R.A.M. and Little Alice Mine (Little Annie Mine; R.A.M. group; Little Alice claim), Pettijohn Mountain, Minersville Mining District, Klamath Mountains, Trinity County, California, USA
North Black Gulch prospect, Stoveleg Gap, East Fork Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Hessite

Formula: Ag₂Te

Locality: Dorleska Mine, Preachers Peak, Klamath Mountains, Trinity County, California, USA

ⓘ Hydroxylapatite

Formula: Ca₅(PO₄)₃(OH)

Locality: Unnamed Phosphate occurrence [1], Hyampom, Klamath Mountains, Trinity County, California, USA

ⓘ 'Hypersthene'

Formula: (Mg,Fe)SiO₃

Locality: Unnamed Fe occurrence [1], Chanchelulla Peak, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Description: Abundant.

ⓘ 'Iddingsite'

Formula: MgO · Fe₂O₃ · 3SiO₂ · 4H₂O

Description: Occurs associated with olivine.

References:

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

Localities:

Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA
Brookite occurrence, Mad River Rock, Coastal Range, Trinity County, California, USA
Blue Jay Mine (Blue Jay claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Coastal Range, Trinity County, California, USA

Description: Occurs as veins of silky, radiating crystals of inesite up to ¼ inch (6.25 mm) in diameter.

References:

Van Nostrand Reinholt Press: 414.

Trask, Parker Davies, Ivan F. Wilson & F.S. Simons (1943), Manganese deposits of California – a summary report: California Division Mines Bulletin 125: 59

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Iridium

Formula: (Ir,Os,Ru)

Localities: Reported from at least 7 localities in this region.

References:

Harvard University spec. 100263

ⓘ Iridium var. Osmiridium

Formula: (Ir,Os,Ru)

Localities:

Trinity River placer, Douglas City, Weaverville District, Klamath Mountains, Trinity County, California, USA
Hayfork Mining District, Klamath Mountains, Trinity County, California, USA
Valdor Dredge Mine (Trinity Center; Hertevant Mine), Red Hill, Junction City, Junction City Mining District, Klamath Mountains, Trinity County, California, USA
Hammer property (Kammer property; South Fork Gold and Platinum Mining Company), Salyer, Willow Creek Mining District, Klamath Mountains, Trinity County, California, USA

References:

Van Nostrand Reinholt Press: 45.

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 Reinhold Company Inc.

ⓘ Iridium var. Platiniridium

Formula: (Ir,Pt)

Locality: Enright claim, Trinity Center, Klamath Mountains, Trinity County, California, USA

Description: Occurs as nuggets.

ⓘ Iridium var. Ruthenosmiridium

Formula: (Ir,Os,Ru)

Locality: Trinity River placer, Douglas City, Weaverville District, Klamath Mountains, Trinity County, California, USA

ⓘ Iron

Formula: Fe

Locality: Canyon City meteorite, Canyon City, Canyon Creek Mining District, Klamath Mountains, Trinity County, California, USA

Description: Strongly marked plates.

ⓘ Iron var. Kamacite

Formula: (Fe,Ni)

Locality: Canyon City meteorite, Canyon City, Canyon Creek Mining District, Klamath Mountains, Trinity County, California, USA

Description: Strongly marked plates.

ⓘ 'Iron-Platinum alloy'

Formula: (Pt,Fe)

Locality: Trinity River placer, Douglas City, Weaverville District, Klamath Mountains, Trinity County, California, USA

ⓘ Isoferroplatinum

Formula: Pt₃Fe

Locality: North Fork Trinity River Canyon, North Fork Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Jacobsite

Formula: Mn²⁺Fe³⁺₂O₄

Locality: Railroad Lease Mine (Section Two; Southern Pacific Railroad lease; Railroad lease; Railroad Mine; Joe Sturdivant; Keno Compagnie Francise; Section 11 Mine; Southern Pacific), Boulder Peak, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Jarosite

Formula: KFe³⁺₃(SO₄)₂(OH)₆

Locality: Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA

ⓘ Julgoldite-(Fe2+)

Formula: Ca₂Fe²⁺Fe³⁺₂[Si₂O₆OH][SiO₄](OH)₂(OH)

Locality: Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA

Description: Occurs on inesite.

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

ⓘ Kenyaite

Formula: Na₂Si₂₂O₄₁(OH)₈ · 6H₂O

Locality: Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Kornelite

Formula: Fe₂(SO₄)₃ · 7H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

ⓘ Laurite

Formula: RuS₂

Locality: Trinity River placer, Douglas City, Weaverville District, Klamath Mountains, Trinity County, California, USA

ⓘ 'Limonite'

Localities: Reported from at least 7 localities in this region.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Magadiite

Formula: Na₂Si₁₄O₂₉ · 11H₂O

Locality: Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Description: Occurs in altered volcanic material.

ⓘ Magnesite

Formula: MgCO₃

Locality: Integral Quicksilver Mine, Integral Consolidated group (Integral property), Ramshorn Summit, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Localities:

Unnamed Fe occurrence [1], Chanchelulla Peak, Trinity Mountains, Klamath Mountains, Trinity County, California, USA
Hill Top Mine, Bonanza King lookout, Bonanza King, Trinity Fork Mining District (Trinity Mining District), Trinity Mountains, Klamath Mountains, Trinity County, California, USA
Unnamed Fe occurrence [3], Bonanza King, Trinity Fork Mining District (Trinity Mining District), Trinity Mountains, Klamath Mountains, Trinity County, California, USA ? (more information)

References:

Van Nostrand Reinholt Press: 386.

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 Reinhold Company Inc.

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

Localities: Reported from at least 10 localities in this region.

References:

Mineralogical Record:18(5):341

ⓘ 'Manganese Oxides'

Localities: Reported from at least 33 localities in this region.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Marcasite

Formula: FeS₂

Locality: Unnamed Au mine [51], Eagle Peak, Coffee Mining District (Coffee Creek Mining District), Klamath Mountains, Trinity County, California, USA

ⓘ Massicot

Formula: PbO

Description: Occurs in an unspecified location in the northern part of the county.

References:

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

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Description: Occurs as tufts with other sulphates.

ⓘ Melanterite var. Copper-bearing Melanterite

Formula: (Fe,Cu)SO₄ · 7H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

ⓘ Mercury

Formula: Hg

Localities:

Altoona Mine (Castella Corp. Mine; Rare Metals Corp. of America; Universal Silvers; Trinity claim; Blockade claim), Ramshorn Summit, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA
Integral Quicksilver Mine, Integral Consolidated group (Integral property), Ramshorn Summit, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

References:

Van Nostrand Reinholt Press: 124.

Miller, William P. (1890), Trinity County: California Mining Bureau. Report 10: 716

O’Brien, J.C. (1965) Mines and mineral resources of Trinity County, California. Caifornia Division of Mines and Geology County Report 4: 125 pp.: 48-49, 120-121

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 Reinhold Company Inc.

ⓘ 'Mica Group'

Locality: Unnamed Mica occurrence [2], Gibson Peak, Trinity Alps Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Molybdenite

Formula: MoS₂

Localities:

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Montmorillonite

Formula: (Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O

Locality: Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Morenosite

Formula: NiSO₄ · 7H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Description: Occurs with other secondary minerals.

ⓘ Mountainite

Formula: KNa₂Ca₂[Si₈O₁₉(OH)] · 6H₂O

Locality: Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities:

Unspecified Mica deposit [1], Salmon Mountains, Klamath Mountains, Trinity County, California, USA
Wilson-Sylvester claim (Black Diamond Calso group), Red Mountain, Upper Hayfork Creek area, Klamath Mountains, Trinity County, California, USA

References:

Clarke, F.W. (1885), Mica: Mineral Resources U.S., 1883-84: 911

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 275.

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: Wilson-Sylvester claim (Black Diamond Calso group), Red Mountain, Upper Hayfork Creek area, Klamath Mountains, Trinity County, California, USA

Description: Occurs in sericitic slate.

ⓘ Nagyágite

Formula: [Pb₃(Pb,Sb)₃S₆](Au,Te)₃

Locality: Dorleska Mine, Preachers Peak, Klamath Mountains, Trinity County, California, USA

ⓘ Neotocite

Formula: (Mn,Fe,Mg)SiO₃ · H₂O

Localities:

Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA
Blue Jay Mine (Blue Jay claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Coastal Range, Trinity County, California, USA
Armstrong No. 3 prospect, Armstrong property, Shannon Butte, Coastal Range, Trinity County, California, USA
Big Buck prospect (Munson group No. 1), Gozem Peak, Trinity Mountains, Klamath Mountains, Trinity County, California, USA ? (more information)

References:

Dunning and Cooper (1987)

ⓘ Nsutite

Formula: (Mn⁴⁺,Mn²⁺)(O,OH)₂

Locality: Blue Jay Mine (Blue Jay claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Coastal Range, Trinity County, California, USA

ⓘ 'Ochre'

Localities:

Amy Balch Mine (Zent claim), Deadwood, Deadwood Mining District, Klamath Mountains, Trinity County, California, USA
Paymaster Mine (Readjuster Mine), Deadwood, Deadwood Mining District, Klamath Mountains, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Opal

Formula: SiO₂ · nH₂O

Locality: Red Cliff prospect, Wildhorse Peak, Coastal Range, Trinity County, California, USA

Habit: Amorphous

Colour: Brown

Description: Manganiferous.

ⓘ Orpiment

Formula: As₂S₃

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Colour: Yellow

Description: Occurs as an alteration product of Fe sulphides.

ⓘ Osmium

Formula: (Os,Ir,Ru)

Localities:

North Fork Trinity River Canyon, North Fork Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA
Trinity River placer, Douglas City, Weaverville District, Klamath Mountains, Trinity County, California, USA
Placer Development Company Mine, Junction City, Junction City Mining District, Klamath Mountains, Trinity County, California, USA
Koon Ranch placer deposit, Salyer, Willow Creek Mining District, Klamath Mountains, Trinity County, California, USA
Main Channel Trinity River, Junction City, Junction City Mining District, Klamath Mountains, Trinity County, California, USA

References:

Alfredo Petrov collection

Excalibur Mineral Co. analyses

ⓘ Osmium var. Iridosmine

Formula: (Os,Ir)

Localities:

Koon Ranch placer deposit, Salyer, Willow Creek Mining District, Klamath Mountains, Trinity County, California, USA
Trinity River placer, Douglas City, Weaverville District, Klamath Mountains, Trinity County, California, USA
Main Channel Trinity River, Junction City, Junction City Mining District, Klamath Mountains, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Pentlandite

Formula: (Ni_xFe_y)_Σ9S₈

Locality: Chanchelulla Peak occurrence, Chanchelulla Peak, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Petzite

Formula: Ag₃AuTe₂

Localities:

Dorleska Mine, Preachers Peak, Klamath Mountains, Trinity County, California, USA
Yellow Aster Mine, Stoveleg Gap, East Fork Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA

References:

Van Nostrand Reinholt Press: 109.

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

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 286

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Phillipsite Subgroup'

Locality: Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA

ⓘ 'Phillipsite Subgroup var. Wellsite'

Formula: (K,Ba,Ca,K₂)Al₂Si₆O₁₆ · 6H₂O

Locality: Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA

ⓘ Platinum

Formula: Pt

Localities: Reported from at least 29 localities in this region.

References:

Clarence August Logan (1919) Platinum and Allied Metals in California. California State Mining Bureau Bulletin 85

ⓘ 'Psilomelane'

Localities: Reported from at least 7 localities in this region.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ 'Pumpellyite Subgroup'

Formula: Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A

Locality: Unspecified Pumpellyite occurrence [1], Pony Buck Peak, Klamath Mountains, Trinity County, California, USA

Habit: Fibrous

Colour: Pale green

Description: Occurs as veinlets of fibrous material.

ⓘ Pyrite

Formula: FeS₂

Localities: Reported from at least 32 localities in this region.

References:

Van Nostrand Reinholt Press: 124.

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Pyrolusite

Formula: Mn⁴⁺O₂

Localities: Reported from at least 6 localities in this region.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Pyrrhotite

Formula: Fe_1-xS

Localities:

Chanchelulla Peak occurrence, Chanchelulla Peak, Trinity Mountains, Klamath Mountains, Trinity County, California, USA
High Grade and Teressa prospect (High Grade & Teressa prospect; Teresa prospect), Marysville, New River Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA
Bear Tooth Mine (Fischer Mine), Hoboken, New River Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA
Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Quartz

Formula: SiO₂

Localities: Reported from at least 166 localities in this region.

References:

www.mineralsocal.org

ⓘ Realgar

Formula: As₄S₄

Locality: Unspecified As occurrence [1], Deadwood, Deadwood Mining District, Klamath Mountains, Trinity County, California, USA

ⓘ Revdite

Formula: Na₁₆Si₁₆O₂₇(OH)₂₆ · 28H₂O

Locality: Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Rhodesite

Formula: KHCa₂Si₈O₁₉ · 5H₂O

Locality: Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Colour: White

Description: Flat rosettes of silky material.

ⓘ Rhodochrosite

Formula: MnCO₃

Localities: Reported from at least 18 localities in this region.

References:

www.mineralsocal.org.

Trask, Parker Davies, Ivan F. Wilson & F.S. Simons (1943), Manganese deposits of California – a summary report: California Division Mines Bulletin 125: 59, 194-206

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 228, 321

ⓘ Rhodonite

Formula: CaMn₃Mn[Si₅O₁₅]

Localities: Reported from at least 13 localities in this region.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Römerite

Formula: Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Colour: Brown

Description: Small crystals exhibiting complex forms on altered pyrrhotite.

ⓘ Rutheniridosmine

Formula: (Ir,Os,Ru)

Localities:

Trinity River placer, Douglas City, Weaverville District, Klamath Mountains, Trinity County, California, USA
Big Bar placer, Marysville, New River Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA

References:

Van Nostrand Reinholt Press: 45.

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 Reinhold Company Inc.

ⓘ Ruthenium

Formula: (Ru,Ir)

Localities:

North Fork Trinity River Canyon, North Fork Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA
Lower New River, New River, New River Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA

References:

Alfredo Petrov collection

Excalibur Mineral Co. analyses

ⓘ Scheelite

Formula: Ca(WO₄)

Localities:

Clerbus Mae occurrence, Potato Mountain, New River Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA
Ditchline occurrence, Lewiston, Weaverville District, Klamath Mountains, Trinity County, California, USA
Stuart Fork W occurrence (Stewart Fork W occurrence), Granite Peak, Trinity Alps Mountains, Klamath Mountains, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

Localities: Reported from at least 11 localities in this region.

References:

ⓘ Siderite

Formula: FeCO₃

Locality: Dewey Mine, Coffee Creek, Coffee Mining District (Coffee Creek Mining District), Klamath Mountains, Trinity County, California, USA

ⓘ Silhydrite (TL)

Formula: Si₃O₆ · H₂O

Type Locality:

Colour: White

Description: Occurs as soft micro-crystalline grains, 4 microns or less in size.

ⓘ 'Silica'

Locality: Salyer pit & mill, Salyer, Willow Creek Mining District, Klamath Mountains, Trinity County, California, USA

ⓘ Sphalerite

Formula: ZnS

Localities: Reported from at least 6 localities in this region.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Stibnite

Formula: Sb₂S₃

Locality: Altoona Mine (Castella Corp. Mine; Rare Metals Corp. of America; Universal Silvers; Trinity claim; Blockade claim), Ramshorn Summit, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

ⓘ Sulphur

Formula: S₈

Locality: Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA

ⓘ Sylvanite

Formula: AgAuTe₄

Localities:

Golden Jubilee Mine (Gold Jubilee Mine; Liberty Mine ?), Coffee Creek Ranch, Coffee Mining District (Coffee Creek Mining District), Klamath Mountains, Trinity County, California, USA
Dorleska Mine, Preachers Peak, Klamath Mountains, Trinity County, California, USA
Yellow Aster Mine, Stoveleg Gap, East Fork Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA
Yellow Jacket Ridge prospect (Yellow Jacket Mine), Stoveleg Gap, East Fork Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA

References:

Van Nostrand Reinholt Press: 110.

Mining and Scientific Press (1913), General mining news: Mining and Scientific Press: 107: 473

Averill, Charles V. (1931), Preliminary report on economic geology of the Shasta quadrangle: California Journal of Mines and Geology, California Division Mines Report 27: 39

O’Brien, J.C. (1965) Mines and mineral resources of Trinity County, California. Caifornia Division of Mines and Geology County Report 4: 125 pp.: 69

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Szomolnokite

Formula: FeSO₄ · H₂O

Locality: Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Colour: Brown

Description: Pyramidal crystals.

ⓘ Taenite

Formula: (Fe,Ni)

Locality: Canyon City meteorite, Canyon City, Canyon Creek Mining District, Klamath Mountains, Trinity County, California, USA

Description: Occurs as bands.

ⓘ Talc

Formula: Mg₃Si₄O₁₀(OH)₂

Localities: Reported from at least 6 localities in this region.

References:

Heizer, Robert Fleming & Adan E. Treganza (1944), Mines and quarries of the Indians of California California Division of Mines Report 40: 307

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 27.

ⓘ Tamaite

Formula: (Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O

Locality: Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA

ⓘ Tephroite

Formula: Mn²⁺₂SiO₄

Locality: Lucky Bill prospect (Lucky Bill property; Johnston; Old Bill Mine; Old Bill prospect; Old Bill property), Red Mountain, Upper Hayfork Creek area, Klamath Mountains, Trinity County, California, USA

ⓘ Titanite

Formula: CaTi(SiO₄)O

Locality: Iron Mountain Mine, Norse Butte, Coastal Range, Trinity County, California, USA

Description: Occurs in a soda granite porphyry.

ⓘ Todorokite

Formula: (Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O

Localities:

References:

Steve Pullman

ⓘ Tremolite

Formula: ◻Ca₂Mg₅(Si₈O₂₂)(OH)₂

Localities:

Eldenlow claim, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA
Unnamed Talc occurrence [2], Barleyfield Peak, Indian Creek Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA
Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Description: Occurs as lenses 17.5 to 75.0 cm wide.

References:

Van Nostrand Reinholt Press: 399.

O’Brien, J.C. (1965) Mines and mineral resources of Trinity County, California. Caifornia Division of Mines and Geology County Report 4: 125 pp.: 17

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Tridymite

Formula: SiO₂

Locality: Unnamed Phosphate occurrence [1], Hyampom, Klamath Mountains, Trinity County, California, USA

ⓘ Troilite

Formula: FeS

Locality: Canyon City meteorite, Canyon City, Canyon Creek Mining District, Klamath Mountains, Trinity County, California, USA

Description: Occurs as nodules to 2 mm scattered abundantly throughout the Ni-Fe matrix.

ⓘ Uvarovite

Formula: Ca₃Cr₂(SiO₄)₃

Localities:

Section 14 claim, Crow Creek group (Chapman-Kirby claims; McConnell-Kirby), Boulder Peak, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA
Unspecified Cr occurrence [1], Carrville, Carrville Mining District, Klamath Mountains, Trinity County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Vernadite

Formula: (Mn⁴⁺,Fe³⁺,Ca,Na)(O,OH)₂ · nH₂O

Locality: Blue Jay Mine (Blue Jay claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Coastal Range, Trinity County, California, USA

ⓘ Whitlockite

Formula: Ca₉Mg(PO₄)₆(PO₃OH)

Locality: Unnamed Phosphate occurrence [1], Hyampom, Klamath Mountains, Trinity County, California, USA

ⓘ Witherite

Formula: BaCO₃

Locality: Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA

ⓘ Wollastonite

Formula: Ca₃(Si₃O₉)

Locality: Unspecified Wollastonite occurrence [1], Hyampom, Klamath Mountains, Trinity County, California, USA

ⓘ Zircon

Formula: Zr(SiO₄)

Locality: Iron Mountain Mine, Norse Butte, Coastal Range, Trinity County, California, USA

Description: Occurs in a soda granite porphyry.

Gallery:

TiO₂ⓘ Brookite

Brookite

Brookite occurrence, Mad River Rock, Coastal Range, Trinity County, California, USA

Brookite

Brookite occurrence, Mad River Rock, Coastal Range, Trinity County, California, USA

Brookite

Brookite occurrence, Mad River Rock, Coastal Range, Trinity County, California, USA

HgSⓘ Cinnabar

Cinnabar

Altoona Mine, Ramshorn Summit, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Cinnabar

Altoona Mine, Ramshorn Summit, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Cinnabar

Altoona Mine, Ramshorn Summit, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Na₂Si₁₄O₂₉ · 11H₂Oⓘ Magadiite

Magadiite

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Magadiite

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Magadiite

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Magadiite

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Magadiite

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Magadiite

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Magadiite

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Magadiite

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂Oⓘ Römerite

Römerite

Island Mountain Mine, Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Römerite

Island Mountain Mine, Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Römerite

Island Mountain Mine, Moose Peak, Island Mountain, Coastal Range, Trinity County, California, USA

Si₃O₆ · H₂Oⓘ Silhydrite (TL)

Silhydrite, etc.

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Silhydrite, etc.

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

Silhydrite, etc.

Trinity Mining claim, Wildcat Peak, Halls Gulch Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold	1.AA.05	Au
ⓘ	Copper	1.AA.05	Cu
ⓘ	Mercury	1.AD.05	Hg
ⓘ	Iron var. Kamacite	1.AE.05	(Fe,Ni)
ⓘ		1.AE.05	Fe
ⓘ	Taenite	1.AE.10	(Fe,Ni)
ⓘ	Osmium var. Iridosmine	1.AF.05	(Os,Ir)
ⓘ	Rutheniridosmine	1.AF.05	(Ir,Os,Ru)
ⓘ	Ruthenium	1.AF.05	(Ru,Ir)
ⓘ	Osmium	1.AF.05	(Os,Ir,Ru)
ⓘ	Iridium var. Ruthenosmiridium	1.AF.10	(Ir,Os,Ru)
ⓘ	Platinum	1.AF.10	Pt
ⓘ	Iridium	1.AF.10	(Ir,Os,Ru)
ⓘ	var. Osmiridium	1.AF.10	(Ir,Os,Ru)
ⓘ	var. Platiniridium	1.AF.10	(Ir,Pt)
ⓘ	Isoferroplatinum	1.AG.35	Pt₃Fe
ⓘ	Graphite	1.CB.05a	C
ⓘ	Diamond	1.CB.10a	C
ⓘ	Sulphur	1.CC.05	S₈
Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcocite	2.BA.05	Cu₂S
ⓘ	Digenite	2.BA.10	Cu₉S₅
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Hessite	2.BA.60	Ag₂Te
ⓘ	Petzite	2.BA.75	Ag₃AuTe₂
ⓘ	Heazlewoodite	2.BB.05	Ni₃S₂
ⓘ	Pentlandite	2.BB.15	(Ni_xFe_y)_Σ9S₈
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Cubanite	2.CB.55a	CuFe₂S₃
ⓘ	Troilite	2.CC.10	FeS
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Cinnabar	2.CD.15a	HgS
ⓘ	Stibnite	2.DB.05	Sb₂S₃
ⓘ	Sylvanite	2.EA.05	AgAuTe₄
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Laurite	2.EB.05a	RuS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	Realgar	2.FA.15a	As₄S₄
ⓘ	Orpiment	2.FA.30	As₂S₃
ⓘ	Nagyágite	2.HB.20a	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Group 3 - Halides
ⓘ	Halite	3.AA.20	NaCl
Group 4 - Oxides and Hydroxides
ⓘ	Cuprite	4.AA.10	Cu₂O
ⓘ	Massicot	4.AC.25	PbO
ⓘ	Jacobsite	4.BB.05	Mn²⁺Fe³⁺₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Hausmannite	4.BB.10	Mn²⁺Mn³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Claudetite ?	4.CB.45	As₂O₃
ⓘ	Arsenolite	4.CB.50	As₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Tridymite	4.DA.10	SiO₂
ⓘ	Cristobalite	4.DA.15	SiO₂
ⓘ	Cassiterite	4.DB.05	SnO₂
ⓘ	Pyrolusite	4.DB.05	Mn⁴⁺O₂
ⓘ	Nsutite	4.DB.15c	(Mn⁴⁺,Mn²⁺)(O,OH)₂
ⓘ	Brookite	4.DD.10	TiO₂
ⓘ	Todorokite	4.DK.10	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
ⓘ	Vernadite	4.FE.40	(Mn⁴⁺,Fe³⁺,Ca,Na)(O,OH)₂ · nH₂O
ⓘ	Birnessite	4.FL.45	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
ⓘ	Silhydrite (TL)	4.FM.30	Si₃O₆ · H₂O
ⓘ	Ansermetite	4.HD.30	Mn²⁺(V₂O₆) · 4H₂O
Group 5 - Nitrates and Carbonates
ⓘ	Rhodochrosite	5.AB.05	MnCO₃
ⓘ	Magnesite	5.AB.05	MgCO₃
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Ankerite	5.AB.10	Ca(Fe²⁺,Mg)(CO₃)₂
ⓘ	Witherite	5.AB.15	BaCO₃
ⓘ	Aragonite	5.AB.15	CaCO₃
ⓘ	Azurite	5.BA.05	Cu₃(CO₃)₂(OH)₂
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Brochantite	7.BB.25	Cu₄(SO₄)(OH)₆
ⓘ	Jarosite	7.BC.10	KFe³⁺₃(SO₄)₂(OH)₆
ⓘ	Szomolnokite	7.CB.05	FeSO₄ · H₂O
ⓘ	Chalcanthite	7.CB.20	CuSO₄ · 5H₂O
ⓘ	Melanterite var. Copper-bearing Melanterite	7.CB.35	(Fe,Cu)SO₄ · 7H₂O
ⓘ		7.CB.35	Fe²⁺(H₂O)₆SO₄ · H₂O
ⓘ	Bieberite	7.CB.35	CoSO₄ · 7H₂O
ⓘ	Goslarite	7.CB.40	ZnSO₄ · 7H₂O
ⓘ	Morenosite	7.CB.40	NiSO₄ · 7H₂O
ⓘ	Coquimbite	7.CB.55	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
ⓘ	Kornelite	7.CB.60	Fe₂(SO₄)₃ · 7H₂O
ⓘ	Römerite	7.CB.75	Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O
ⓘ	Halotrichite	7.CB.85	FeAl₂(SO₄)₄ · 22H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Aluminocopiapite	7.DB.35	Al_2/3Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O
ⓘ	Copiapite	7.DB.35	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O
ⓘ	Fibroferrite	7.DC.15	Fe³⁺(SO₄)(OH) · 5H₂O
ⓘ	Scheelite	7.GA.05	Ca(WO₄)
ⓘ	Ferrimolybdite	7.GB.30	Fe₂(MoO₄)₃ · nH₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Whitlockite	8.AC.45	Ca₉Mg(PO₄)₆(PO₃OH)
ⓘ	Hydroxylapatite	8.BN.05	Ca₅(PO₄)₃(OH)
ⓘ	Annabergite	8.CE.40	Ni₃(AsO₄)₂ · 8H₂O
ⓘ	Autunite	8.EB.05	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
Group 9 - Silicates
ⓘ	Chrysotile	9..	Mg₃(Si₂O₅)(OH)₄
ⓘ	Tephroite	9.AC.05	Mn²⁺₂SiO₄
ⓘ	Uvarovite	9.AD.25	Ca₃Cr₂(SiO₄)₃
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Braunite	9.AG.05	Mn²⁺Mn³⁺₆(SiO₄)O₈
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Julgoldite-(Fe2+)	9.BG.20	Ca₂Fe²⁺Fe³⁺₂[Si₂O₆OH][SiO₄](OH)₂(OH)
ⓘ	Beryl var. Emerald	9.CJ.05	Be₃Al₂(Si₆O₁₈)
ⓘ		9.CJ.05	Be₃Al₂(Si₆O₁₈)
ⓘ	var. Morganite	9.CJ.05	Be₃Al₂(Si₆O₁₈)
ⓘ	Diopside var. Diallage	9.DA.15	CaMgSi₂O₆
ⓘ		9.DA.15	CaMgSi₂O₆
ⓘ	Anthophyllite	9.DD.05	◻{Mg₂}{Mg₅}(Si₈O₂₂)(OH)₂
ⓘ	Tremolite	9.DE.10	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Wollastonite	9.DG.05	Ca₃(Si₃O₉)
ⓘ	Rhodonite	9.DK.05	CaMn₃Mn[Si₅O₁₅]
ⓘ	Inesite	9.DL.05	Ca₂(Mn,Fe)₇Si₁₀O₂₈(OH)₂ · 5H₂O
ⓘ	Revdite	9.DM.30	Na₁₆Si₁₆O₂₇(OH)₂₆ · 28H₂O
ⓘ	Magadiite	9.EA.20	Na₂Si₁₄O₂₉ · 11H₂O
ⓘ	Rhodesite	9.EB.05	KHCa₂Si₈O₁₉ · 5H₂O
ⓘ	Talc	9.EC.05	Mg₃Si₄O₁₀(OH)₂
ⓘ	Muscovite var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ		9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Montmorillonite	9.EC.40	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Chrysocolla	9.ED.20	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
ⓘ	Neotocite	9.ED.20	(Mn,Fe,Mg)SiO₃ · H₂O
ⓘ	Bementite	9.EE.05	Mn₇Si₆O₁₅(OH)₈
ⓘ	Tamaite	9.EG.30	(Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Mountainite	9.GG.10	KNa₂Ca₂[Si₈O₁₉(OH)] · 6H₂O
ⓘ	Kenyaite	9.HA.10	Na₂Si₂₂O₄₁(OH)₈ · 6H₂O
Unclassified
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄
ⓘ	'Asbestos'	-
ⓘ	'Silica'	-
ⓘ	'Manganese Oxides'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Ochre'	-
ⓘ	'Axinite Group'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Iron-Platinum alloy'	-	(Pt,Fe)
ⓘ	'Iddingsite'	-	MgO · Fe₂O₃ · 3SiO₂ · 4H₂O
ⓘ	'Mica Group'	-
ⓘ	'Chlorite Group'	-
ⓘ	'Clay minerals'	-
ⓘ	'Hypersthene'	-	(Mg,Fe)SiO₃
ⓘ	'Phillipsite Subgroup var. Wellsite'	-	(K,Ba,Ca,K₂)Al₂Si₆O₁₆ · 6H₂O
ⓘ	'Limonite'	-
ⓘ	'Phillipsite Subgroup'	-
ⓘ	'Psilomelane'	-
ⓘ	'Pumpellyite Subgroup'	-	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
ⓘ	'Amphibole Asbestos'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Aluminocopiapite	Al_2/3Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
H	ⓘ Annabergite	Ni₃(AsO₄)₂ · 8H₂O
H	ⓘ Anthophyllite	◻{Mg₂}{Mg₅}(Si₈O₂₂)(OH)₂
H	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
H	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
H	ⓘ Bementite	Mn₇Si₆O₁₅(OH)₈
H	ⓘ Bieberite	CoSO₄ · 7H₂O
H	ⓘ Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
H	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
H	ⓘ Chalcanthite	CuSO₄ · 5H₂O
H	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
H	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
H	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
H	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Ferrimolybdite	Fe₂(MoO₄)₃ · nH₂O
H	ⓘ Fibroferrite	Fe³⁺(SO₄)(OH) · 5H₂O
H	ⓘ Goslarite	ZnSO₄ · 7H₂O
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Halotrichite	FeAl₂(SO₄)₄ · 22H₂O
H	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
H	ⓘ Inesite	Ca₂(Mn,Fe)₇Si₁₀O₂₈(OH)₂ · 5H₂O
H	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
H	ⓘ Julgoldite-(Fe2+)	Ca₂Fe²⁺Fe₂³⁺[Si₂O₆OH][SiO₄](OH)₂(OH)
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Kenyaite	Na₂Si₂₂O₄₁(OH)₈ · 6H₂O
H	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
H	ⓘ Magadiite	Na₂Si₁₄O₂₉ · 11H₂O
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Melanterite	Fe²⁺(H₂O)₆SO₄ · H₂O
H	ⓘ Morenosite	NiSO₄ · 7H₂O
H	ⓘ Mountainite	KNa₂Ca₂[Si₈O₁₉(OH)] · 6H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Neotocite	(Mn,Fe,Mg)SiO₃ · H₂O
H	ⓘ Nsutite	(Mn⁴⁺,Mn²⁺)(O,OH)₂
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
H	ⓘ Revdite	Na₁₆Si₁₆O₂₇(OH)₂₆ · 28H₂O
H	ⓘ Rhodesite	KHCa₂Si₈O₁₉ · 5H₂O
H	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
H	ⓘ Silhydrite	Si₃O₆ · H₂O
H	ⓘ Szomolnokite	FeSO₄ · H₂O
H	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
H	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
H	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Vernadite	(Mn⁴⁺,Fe³⁺,Ca,Na)(O,OH)₂ · nH₂O
H	ⓘ Phillipsite Subgroup var. Wellsite	(K,Ba,Ca,K₂)Al₂Si₆O₁₆ · 6H₂O
H	ⓘ Whitlockite	Ca₉Mg(PO₄)₆(PO₃OH)
H	ⓘ Iddingsite	MgO · Fe₂O₃ · 3SiO₂ · 4H₂O
H	ⓘ Tamaite	(Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
H	ⓘ Melanterite var. Copper-bearing Melanterite	(Fe,Cu)SO₄ · 7H₂O
H	ⓘ Ansermetite	Mn²⁺(V₂O₆) · 4H₂O
Be	Beryllium
Be	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Be	ⓘ Beryl var. Emerald	Be₃Al₂(Si₆O₁₈)
Be	ⓘ Beryl var. Morganite	Be₃Al₂(Si₆O₁₈)
C	Carbon
C	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
C	ⓘ Aragonite	CaCO₃
C	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
C	ⓘ Calcite	CaCO₃
C	ⓘ Diamond	C
C	ⓘ Graphite	C
C	ⓘ Magnesite	MgCO₃
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	ⓘ Rhodochrosite	MnCO₃
C	ⓘ Siderite	FeCO₃
C	ⓘ Witherite	BaCO₃
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Aluminocopiapite	Al_2/3Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	ⓘ Annabergite	Ni₃(AsO₄)₂ · 8H₂O
O	ⓘ Anthophyllite	◻{Mg₂}{Mg₅}(Si₈O₂₂)(OH)₂
O	ⓘ Arsenolite	As₂O₃
O	ⓘ Aragonite	CaCO₃
O	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
O	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
O	ⓘ Baryte	BaSO₄
O	ⓘ Bementite	Mn₇Si₆O₁₅(OH)₈
O	ⓘ Bieberite	CoSO₄ · 7H₂O
O	ⓘ Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
O	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
O	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
O	ⓘ Brookite	TiO₂
O	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
O	ⓘ Calcite	CaCO₃
O	ⓘ Cassiterite	SnO₂
O	ⓘ Chalcanthite	CuSO₄ · 5H₂O
O	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
O	ⓘ Claudetite	As₂O₃
O	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
O	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
O	ⓘ Cristobalite	SiO₂
O	ⓘ Cuprite	Cu₂O
O	ⓘ Diopside var. Diallage	CaMgSi₂O₆
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Beryl var. Emerald	Be₃Al₂(Si₆O₁₈)
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Ferrimolybdite	Fe₂(MoO₄)₃ · nH₂O
O	ⓘ Fibroferrite	Fe³⁺(SO₄)(OH) · 5H₂O
O	ⓘ Goslarite	ZnSO₄ · 7H₂O
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Halotrichite	FeAl₂(SO₄)₄ · 22H₂O
O	ⓘ Hausmannite	Mn²⁺Mn₂³⁺O₄
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
O	ⓘ Hypersthene	(Mg,Fe)SiO₃
O	ⓘ Inesite	Ca₂(Mn,Fe)₇Si₁₀O₂₈(OH)₂ · 5H₂O
O	ⓘ Jacobsite	Mn²⁺Fe₂³⁺O₄
O	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
O	ⓘ Julgoldite-(Fe2+)	Ca₂Fe²⁺Fe₂³⁺[Si₂O₆OH][SiO₄](OH)₂(OH)
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Kenyaite	Na₂Si₂₂O₄₁(OH)₈ · 6H₂O
O	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
O	ⓘ Magnesite	MgCO₃
O	ⓘ Magadiite	Na₂Si₁₄O₂₉ · 11H₂O
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Massicot	PbO
O	ⓘ Melanterite	Fe²⁺(H₂O)₆SO₄ · H₂O
O	ⓘ Morenosite	NiSO₄ · 7H₂O
O	ⓘ Beryl var. Morganite	Be₃Al₂(Si₆O₁₈)
O	ⓘ Mountainite	KNa₂Ca₂[Si₈O₁₉(OH)] · 6H₂O
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Neotocite	(Mn,Fe,Mg)SiO₃ · H₂O
O	ⓘ Nsutite	(Mn⁴⁺,Mn²⁺)(O,OH)₂
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
O	ⓘ Pyrolusite	Mn⁴⁺O₂
O	ⓘ Quartz	SiO₂
O	ⓘ Revdite	Na₁₆Si₁₆O₂₇(OH)₂₆ · 28H₂O
O	ⓘ Rhodesite	KHCa₂Si₈O₁₉ · 5H₂O
O	ⓘ Rhodochrosite	MnCO₃
O	ⓘ Rhodonite	CaMn₃Mn[Si₅O₁₅]
O	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
O	ⓘ Scheelite	Ca(WO₄)
O	ⓘ Siderite	FeCO₃
O	ⓘ Silhydrite	Si₃O₆ · H₂O
O	ⓘ Szomolnokite	FeSO₄ · H₂O
O	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
O	ⓘ Tephroite	Mn₂²⁺SiO₄
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
O	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Tridymite	SiO₂
O	ⓘ Uvarovite	Ca₃Cr₂(SiO₄)₃
O	ⓘ Vernadite	(Mn⁴⁺,Fe³⁺,Ca,Na)(O,OH)₂ · nH₂O
O	ⓘ Phillipsite Subgroup var. Wellsite	(K,Ba,Ca,K₂)Al₂Si₆O₁₆ · 6H₂O
O	ⓘ Whitlockite	Ca₉Mg(PO₄)₆(PO₃OH)
O	ⓘ Witherite	BaCO₃
O	ⓘ Wollastonite	Ca₃(Si₃O₉)
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Iddingsite	MgO · Fe₂O₃ · 3SiO₂ · 4H₂O
O	ⓘ Tamaite	(Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Melanterite var. Copper-bearing Melanterite	(Fe,Cu)SO₄ · 7H₂O
O	ⓘ Ansermetite	Mn²⁺(V₂O₆) · 4H₂O
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
Na	ⓘ Halite	NaCl
Na	ⓘ Kenyaite	Na₂Si₂₂O₄₁(OH)₈ · 6H₂O
Na	ⓘ Magadiite	Na₂Si₁₄O₂₉ · 11H₂O
Na	ⓘ Mountainite	KNa₂Ca₂[Si₈O₁₉(OH)] · 6H₂O
Na	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Revdite	Na₁₆Si₁₆O₂₇(OH)₂₆ · 28H₂O
Na	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Na	ⓘ Vernadite	(Mn⁴⁺,Fe³⁺,Ca,Na)(O,OH)₂ · nH₂O
Na	ⓘ Tamaite	(Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Mg	ⓘ Anthophyllite	◻{Mg₂}{Mg₅}(Si₈O₂₂)(OH)₂
Mg	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Mg	ⓘ Diopside var. Diallage	CaMgSi₂O₆
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Hypersthene	(Mg,Fe)SiO₃
Mg	ⓘ Magnesite	MgCO₃
Mg	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Neotocite	(Mn,Fe,Mg)SiO₃ · H₂O
Mg	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Mg	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Mg	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Whitlockite	Ca₉Mg(PO₄)₆(PO₃OH)
Mg	ⓘ Iddingsite	MgO · Fe₂O₃ · 3SiO₂ · 4H₂O
Al	Aluminium
Al	ⓘ Aluminocopiapite	Al_2/3Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Al	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Al	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
Al	ⓘ Beryl var. Emerald	Be₃Al₂(Si₆O₁₈)
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Halotrichite	FeAl₂(SO₄)₄ · 22H₂O
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Beryl var. Morganite	Be₃Al₂(Si₆O₁₈)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Al	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Al	ⓘ Phillipsite Subgroup var. Wellsite	(K,Ba,Ca,K₂)Al₂Si₆O₁₆ · 6H₂O
Al	ⓘ Tamaite	(Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Anthophyllite	◻{Mg₂}{Mg₅}(Si₈O₂₂)(OH)₂
Si	ⓘ Bementite	Mn₇Si₆O₁₅(OH)₈
Si	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
Si	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Si	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Si	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Si	ⓘ Cristobalite	SiO₂
Si	ⓘ Diopside var. Diallage	CaMgSi₂O₆
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Beryl var. Emerald	Be₃Al₂(Si₆O₁₈)
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Hypersthene	(Mg,Fe)SiO₃
Si	ⓘ Inesite	Ca₂(Mn,Fe)₇Si₁₀O₂₈(OH)₂ · 5H₂O
Si	ⓘ Julgoldite-(Fe2+)	Ca₂Fe²⁺Fe₂³⁺[Si₂O₆OH][SiO₄](OH)₂(OH)
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Kenyaite	Na₂Si₂₂O₄₁(OH)₈ · 6H₂O
Si	ⓘ Magadiite	Na₂Si₁₄O₂₉ · 11H₂O
Si	ⓘ Beryl var. Morganite	Be₃Al₂(Si₆O₁₈)
Si	ⓘ Mountainite	KNa₂Ca₂[Si₈O₁₉(OH)] · 6H₂O
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Neotocite	(Mn,Fe,Mg)SiO₃ · H₂O
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Si	ⓘ Quartz	SiO₂
Si	ⓘ Revdite	Na₁₆Si₁₆O₂₇(OH)₂₆ · 28H₂O
Si	ⓘ Rhodesite	KHCa₂Si₈O₁₉ · 5H₂O
Si	ⓘ Rhodonite	CaMn₃Mn[Si₅O₁₅]
Si	ⓘ Silhydrite	Si₃O₆ · H₂O
Si	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Si	ⓘ Tephroite	Mn₂²⁺SiO₄
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Tridymite	SiO₂
Si	ⓘ Uvarovite	Ca₃Cr₂(SiO₄)₃
Si	ⓘ Phillipsite Subgroup var. Wellsite	(K,Ba,Ca,K₂)Al₂Si₆O₁₆ · 6H₂O
Si	ⓘ Wollastonite	Ca₃(Si₃O₉)
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Iddingsite	MgO · Fe₂O₃ · 3SiO₂ · 4H₂O
Si	ⓘ Tamaite	(Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
P	Phosphorus
P	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
P	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
P	ⓘ Whitlockite	Ca₉Mg(PO₄)₆(PO₃OH)
S	Sulfur
S	ⓘ Aluminocopiapite	Al_2/3Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Baryte	BaSO₄
S	ⓘ Bieberite	CoSO₄ · 7H₂O
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Chalcanthite	CuSO₄ · 5H₂O
S	ⓘ Chalcocite	Cu₂S
S	ⓘ Cinnabar	HgS
S	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
S	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
S	ⓘ Cubanite	CuFe₂S₃
S	ⓘ Digenite	Cu₉S₅
S	ⓘ Fibroferrite	Fe³⁺(SO₄)(OH) · 5H₂O
S	ⓘ Galena	PbS
S	ⓘ Goslarite	ZnSO₄ · 7H₂O
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Halotrichite	FeAl₂(SO₄)₄ · 22H₂O
S	ⓘ Heazlewoodite	Ni₃S₂
S	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
S	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
S	ⓘ Laurite	RuS₂
S	ⓘ Marcasite	FeS₂
S	ⓘ Melanterite	Fe²⁺(H₂O)₆SO₄ · H₂O
S	ⓘ Molybdenite	MoS₂
S	ⓘ Morenosite	NiSO₄ · 7H₂O
S	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
S	ⓘ Orpiment	As₂S₃
S	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Realgar	As₄S₄
S	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
S	ⓘ Sphalerite	ZnS
S	ⓘ Stibnite	Sb₂S₃
S	ⓘ Sulphur	S₈
S	ⓘ Szomolnokite	FeSO₄ · H₂O
S	ⓘ Troilite	FeS
S	ⓘ Melanterite var. Copper-bearing Melanterite	(Fe,Cu)SO₄ · 7H₂O
Cl	Chlorine
Cl	ⓘ Halite	NaCl
K	Potassium
K	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
K	ⓘ Mountainite	KNa₂Ca₂[Si₈O₁₉(OH)] · 6H₂O
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Rhodesite	KHCa₂Si₈O₁₉ · 5H₂O
K	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
K	ⓘ Phillipsite Subgroup var. Wellsite	(K,Ba,Ca,K₂)Al₂Si₆O₁₆ · 6H₂O
K	ⓘ Tamaite	(Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
Ca	ⓘ Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Diopside var. Diallage	CaMgSi₂O₆
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
Ca	ⓘ Inesite	Ca₂(Mn,Fe)₇Si₁₀O₂₈(OH)₂ · 5H₂O
Ca	ⓘ Julgoldite-(Fe2+)	Ca₂Fe²⁺Fe₂³⁺[Si₂O₆OH][SiO₄](OH)₂(OH)
Ca	ⓘ Mountainite	KNa₂Ca₂[Si₈O₁₉(OH)] · 6H₂O
Ca	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Ca	ⓘ Rhodesite	KHCa₂Si₈O₁₉ · 5H₂O
Ca	ⓘ Rhodonite	CaMn₃Mn[Si₅O₁₅]
Ca	ⓘ Scheelite	Ca(WO₄)
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Ca	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Ca	ⓘ Uvarovite	Ca₃Cr₂(SiO₄)₃
Ca	ⓘ Vernadite	(Mn⁴⁺,Fe³⁺,Ca,Na)(O,OH)₂ · nH₂O
Ca	ⓘ Phillipsite Subgroup var. Wellsite	(K,Ba,Ca,K₂)Al₂Si₆O₁₆ · 6H₂O
Ca	ⓘ Whitlockite	Ca₉Mg(PO₄)₆(PO₃OH)
Ca	ⓘ Wollastonite	Ca₃(Si₃O₉)
Ca	ⓘ Tamaite	(Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O
Ti	Titanium
Ti	ⓘ Brookite	TiO₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
V	Vanadium
V	ⓘ Ansermetite	Mn²⁺(V₂O₆) · 4H₂O
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Cr	ⓘ Uvarovite	Ca₃Cr₂(SiO₄)₃
Mn	Manganese
Mn	ⓘ Bementite	Mn₇Si₆O₁₅(OH)₈
Mn	ⓘ Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
Mn	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
Mn	ⓘ Hausmannite	Mn²⁺Mn₂³⁺O₄
Mn	ⓘ Inesite	Ca₂(Mn,Fe)₇Si₁₀O₂₈(OH)₂ · 5H₂O
Mn	ⓘ Jacobsite	Mn²⁺Fe₂³⁺O₄
Mn	ⓘ Neotocite	(Mn,Fe,Mg)SiO₃ · H₂O
Mn	ⓘ Nsutite	(Mn⁴⁺,Mn²⁺)(O,OH)₂
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂
Mn	ⓘ Rhodochrosite	MnCO₃
Mn	ⓘ Rhodonite	CaMn₃Mn[Si₅O₁₅]
Mn	ⓘ Tephroite	Mn₂²⁺SiO₄
Mn	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Mn	ⓘ Vernadite	(Mn⁴⁺,Fe³⁺,Ca,Na)(O,OH)₂ · nH₂O
Mn	ⓘ Tamaite	(Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O
Mn	ⓘ Ansermetite	Mn²⁺(V₂O₆) · 4H₂O
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Aluminocopiapite	Al_2/3Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
Fe	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
Fe	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
Fe	ⓘ Cubanite	CuFe₂S₃
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Ferrimolybdite	Fe₂(MoO₄)₃ · nH₂O
Fe	ⓘ Iron-Platinum alloy	(Pt,Fe)
Fe	ⓘ Fibroferrite	Fe³⁺(SO₄)(OH) · 5H₂O
Fe	ⓘ Halotrichite	FeAl₂(SO₄)₄ · 22H₂O
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Hypersthene	(Mg,Fe)SiO₃
Fe	ⓘ Inesite	Ca₂(Mn,Fe)₇Si₁₀O₂₈(OH)₂ · 5H₂O
Fe	ⓘ Iron	Fe
Fe	ⓘ Isoferroplatinum	Pt₃Fe
Fe	ⓘ Jacobsite	Mn²⁺Fe₂³⁺O₄
Fe	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
Fe	ⓘ Julgoldite-(Fe2+)	Ca₂Fe²⁺Fe₂³⁺[Si₂O₆OH][SiO₄](OH)₂(OH)
Fe	ⓘ Iron var. Kamacite	(Fe,Ni)
Fe	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Melanterite	Fe²⁺(H₂O)₆SO₄ · H₂O
Fe	ⓘ Neotocite	(Mn,Fe,Mg)SiO₃ · H₂O
Fe	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Szomolnokite	FeSO₄ · H₂O
Fe	ⓘ Taenite	(Fe,Ni)
Fe	ⓘ Troilite	FeS
Fe	ⓘ Vernadite	(Mn⁴⁺,Fe³⁺,Ca,Na)(O,OH)₂ · nH₂O
Fe	ⓘ Iddingsite	MgO · Fe₂O₃ · 3SiO₂ · 4H₂O
Fe	ⓘ Melanterite var. Copper-bearing Melanterite	(Fe,Cu)SO₄ · 7H₂O
Co	Cobalt
Co	ⓘ Bieberite	CoSO₄ · 7H₂O
Ni	Nickel
Ni	ⓘ Annabergite	Ni₃(AsO₄)₂ · 8H₂O
Ni	ⓘ Heazlewoodite	Ni₃S₂
Ni	ⓘ Iron var. Kamacite	(Fe,Ni)
Ni	ⓘ Morenosite	NiSO₄ · 7H₂O
Ni	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Ni	ⓘ Taenite	(Fe,Ni)
Cu	Copper
Cu	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chalcanthite	CuSO₄ · 5H₂O
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Cu	ⓘ Cubanite	CuFe₂S₃
Cu	ⓘ Cuprite	Cu₂O
Cu	ⓘ Copper	Cu
Cu	ⓘ Digenite	Cu₉S₅
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Cu	ⓘ Melanterite var. Copper-bearing Melanterite	(Fe,Cu)SO₄ · 7H₂O
Zn	Zinc
Zn	ⓘ Goslarite	ZnSO₄ · 7H₂O
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Annabergite	Ni₃(AsO₄)₂ · 8H₂O
As	ⓘ Arsenolite	As₂O₃
As	ⓘ Arsenopyrite	FeAsS
As	ⓘ Claudetite	As₂O₃
As	ⓘ Orpiment	As₂S₃
As	ⓘ Realgar	As₄S₄
Sr	Strontium
Sr	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Mo	Molybdenum
Mo	ⓘ Ferrimolybdite	Fe₂(MoO₄)₃ · nH₂O
Mo	ⓘ Molybdenite	MoS₂
Ru	Ruthenium
Ru	ⓘ Iridium	(Ir,Os,Ru)
Ru	ⓘ Laurite	RuS₂
Ru	ⓘ Osmium	(Os,Ir,Ru)
Ru	ⓘ Rutheniridosmine	(Ir,Os,Ru)
Ru	ⓘ Ruthenium	(Ru,Ir)
Ru	ⓘ Iridium var. Ruthenosmiridium	(Ir,Os,Ru)
Ru	ⓘ Iridium var. Osmiridium	(Ir,Os,Ru)
Ag	Silver
Ag	ⓘ Hessite	Ag₂Te
Ag	ⓘ Petzite	Ag₃AuTe₂
Ag	ⓘ Sylvanite	AgAuTe₄
Sn	Tin
Sn	ⓘ Cassiterite	SnO₂
Sb	Antimony
Sb	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Sb	ⓘ Stibnite	Sb₂S₃
Te	Tellurium
Te	ⓘ Hessite	Ag₂Te
Te	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Te	ⓘ Petzite	Ag₃AuTe₂
Te	ⓘ Sylvanite	AgAuTe₄
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Ba	ⓘ Todorokite	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂ · 3-4H₂O
Ba	ⓘ Phillipsite Subgroup var. Wellsite	(K,Ba,Ca,K₂)Al₂Si₆O₁₆ · 6H₂O
Ba	ⓘ Witherite	BaCO₃
Ba	ⓘ Tamaite	(Ca,K,Ba,Na)_3-4Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂ · 21H₂O
W	Tungsten
W	ⓘ Scheelite	Ca(WO₄)
Os	Osmium
Os	ⓘ Iridium	(Ir,Os,Ru)
Os	ⓘ Osmium	(Os,Ir,Ru)
Os	ⓘ Rutheniridosmine	(Ir,Os,Ru)
Os	ⓘ Iridium var. Ruthenosmiridium	(Ir,Os,Ru)
Os	ⓘ Iridium var. Osmiridium	(Ir,Os,Ru)
Os	ⓘ Osmium var. Iridosmine	(Os,Ir)
Ir	Iridium
Ir	ⓘ Iridium	(Ir,Os,Ru)
Ir	ⓘ Osmium	(Os,Ir,Ru)
Ir	ⓘ Rutheniridosmine	(Ir,Os,Ru)
Ir	ⓘ Ruthenium	(Ru,Ir)
Ir	ⓘ Iridium var. Ruthenosmiridium	(Ir,Os,Ru)
Ir	ⓘ Iridium var. Osmiridium	(Ir,Os,Ru)
Ir	ⓘ Iridium var. Platiniridium	(Ir,Pt)
Ir	ⓘ Osmium var. Iridosmine	(Os,Ir)
Pt	Platinum
Pt	ⓘ Iron-Platinum alloy	(Pt,Fe)
Pt	ⓘ Isoferroplatinum	Pt₃Fe
Pt	ⓘ Platinum	Pt
Pt	ⓘ Iridium var. Platiniridium	(Ir,Pt)
Au	Gold
Au	ⓘ Gold	Au
Au	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Au	ⓘ Petzite	Ag₃AuTe₂
Au	ⓘ Sylvanite	AgAuTe₄
Hg	Mercury
Hg	ⓘ Cinnabar	HgS
Hg	ⓘ Mercury	Hg
Pb	Lead
Pb	ⓘ Galena	PbS
Pb	ⓘ Massicot	PbO
Pb	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
U	Uranium
U	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O

Fossils

There are 3 fossil localities from the PaleoBioDB database within this region.

BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

254 Ma (Permian)

Oldest Fossil Listed

272 Ma (Permian)

Stratigraphic Units

Unit	No. Occurrences	Age
Dekkas	2	259.9 - 254.17 Ma (Permian)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Waagenophyllum genus	Animalia : Cnidaria : Anthozoa : Waagenophyllidae : *Waagenophyllum*	259.9 - 254.17 Ma Permian
Waagenophyllum klamathensis species	Animalia : Cnidaria : Anthozoa : Waagenophyllidae : Waagenophyllum : *Waagenophyllum klamathensis*	259.9 - 254.17 Ma Permian
Stacheoceras gordoni species	Animalia : Mollusca : Cephalopoda : Ammonoidea : Vidrioceratidae : Stacheoceras : *Stacheoceras gordoni*	272.3 - 268.8 Ma Permian

Fossil Localities

Click to show 3 fossil localities

USA

California
- Trinity County
  - Permian🐚 SJS-900-902
  - Permian🐚 SJS-954
  - Permian🐚 USGS 3977 green

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Trinity_County,_California
Wikidata ID:	Q156188
GeoNames ID:	5553701

Localities in this Region

USA

California
- Trinity County

USA

California
- Trinity County
  - Klamath Mountains

Other Regions, Features and Areas that Intersect

North America

Coast MountainsMountain Range

North America PlateTectonic Plate

North America Plate

USA

Sierra NevadaMountain Range

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

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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List of minerals arranged by Strunz 10th Edition classification

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References

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