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East Belt, Calaveras Co., California, USAi
Regional Level Types
East Belt- not defined -
Calaveras Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
38° North , 120° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~23km


Long being designated as a gold producing region located in the granitic
02505260014962519201205.jpg
Map of California gold belts
rocks of the Sierra Nevada of California, the East belt is situated to the east of the famous Mother lode Belt and spans several counties and approx. 120 miles, bounded by Mariposa county to the south and Placer county to the north. The East Belt mines are well known for producing abundant high grade pockets.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List

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

48 valid minerals.

Rock Types Recorded

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

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Alunite
Formula: KAl3(SO4)2(OH)6
Description: Occurs as small crystals.
Reference: Bradley, W.W. (1943), Thirty-ninth report of the State Mineralogist: California Division Mines Report 39: 565; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 61.
Andradite
Formula: Ca3Fe3+2(SiO4)3
Description: Occurs as good crystals in schist.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 494.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Antigorite
Formula: Mg3(Si2O5)(OH)4
Antimony
Formula: Sb
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Aragonite
Formula: CaCO3
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 81.
Aragonite var: Flos Ferri
Formula: CaCO3
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 81.
Arsenopyrite
Formula: FeAsS
Arsenopyrite var: Danaite
Formula: (Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS
Description: Occurs as fine-grained material.
Reference: Hess, Frank L. (1927), Rare metals – cobalt: Mineral Resources U.S., 1924, part 1: 451; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 75.
'Asbestos'
Reference: Clark, William B. & Lydon, Philip A. (1963), Mines and Mineral Resources of Calaveras County, California, California Division of Mines and Geolgy, County Report No. 2: Page 128.
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10029037.
Baryte
Formula: BaSO4
Reference: Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2: 24, 27-32; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 291.; USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10102615.
Bornite
Formula: Cu5FeS4
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10029037.
Calcite
Formula: CaCO3
Localities: Reported from at least 6 localities in this region.
Chalcocite
Formula: Cu2S
Reference: Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2: 24, 27-32; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 96.
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 11 localities in this region.
'Chlorite Group'
Chromite
Formula: Fe2+Cr3+2O4
Localities: Reported from at least 6 localities in this region.
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Cinnabar
Formula: HgS
Reference: Turner, Henry Ward & F.L. Ransome (1898), Description of the gold belt; description of the Big Trees sheet, California: USGS Geol. Atlas, Big Trees folio (No. 51), 8 pp.: 6; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 349.
Dolomite
Formula: CaMg(CO3)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Description: Occurs as good crystals with quartz.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 175.
Erythrite
Formula: Co3(AsO4)2 · 8H2O
Freibergite
Formula: (Ag,Cu,◻)10Fe2+2Sb4S12
Description: Occurs disseminated in Quartz.
Reference: Hanks, Henry Garber (1886), Sixth report of the State Mineralogist: California Mining Bureau. Report 6 part 1, 145 pp.: 138; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 363.
Galena
Formula: PbS
Localities: Reported from at least 34 localities in this region.
'Garnet Group'
Formula: X3Z2(SiO4)3
Glaucophane
Formula: ◻[Na2][Mg3Al2]Si8O22(OH)2
Reference: Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 183; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 69.
Gold
Formula: Au
Localities: Reported from at least 560 localities in this region.
Graphite
Formula: C
Hematite
Formula: Fe2O3
Reference: Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2: 93; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 159.
Hessite
Formula: Ag2Te
Reference: Knopf, Adolf (1929), The Mother Lode system of California: USGS Professional Paper 157, 88 pp.: 39; Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2; [… Geological Society of America Proceedings, 1933: 312-313, 1934]: 51; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 109.
Jamesonite
Formula: Pb4FeSb6S14
Reference: Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 244; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 232.
'Limonite'
Formula: (Fe,O,OH,H2O)
Magnesiochromite
Formula: MgCr2O4
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 153.
Magnetite
Formula: Fe2+Fe3+2O4
Description: Interlayered with antigorite.
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10029039.
'Manganese Oxides'
Marcasite
Formula: FeS2
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Opal
Formula: SiO2 · nH2O
Osmium
Formula: (Os,Ir,Ru)
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10028717.
Petzite
Formula: Ag3AuTe2
Reference: Knopf, Adolf (1929), The Mother Lode system of California: USGS Professional Paper 157, 88 pp.: 39; Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2; [… Geological Society of America Proceedings, 1933: 312-313, 1934]: 51; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 109.
Platinum
Formula: Pt
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10028717.
'Psilomelane'
Formula: Mn, O
Pyrite
Formula: FeS2
Localities: Reported from at least 30 localities in this region.
Pyrrhotite
Formula: Fe7S8
Localities: Reported from at least 7 localities in this region.
Quartz
Formula: SiO2
Localities: Reported from at least 408 localities in this region.
Quartz var: Chalcedony
Formula: SiO2
Reference: Mining and Scientific Press (1866), The “opal claims” of Stockton Hill: Mining and Scientific Press: 12: 146; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 316.
Quartz var: Moss Agate
Formula: SiO2
Reference: Mining and Scientific Press (1866), The “opal claims” of Stockton Hill: Mining and Scientific Press: 12: 146; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 316.
Quartz var: Rock Crystal
Formula: SiO2
Localities: Reported from at least 7 localities in this region.
Rhodonite
Formula: Mn2+SiO3
Sanidine
Formula: K(AlSi3O8)
Description: Crystals occur in a rhyolite tuff.
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10028935.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: REF: Deposit: RANSOME, FREDERICK LESLIE, DESCRIPTION OF THE MOTHERLODE DISTRICT, CALIFORNIA: U.S. GEOLOGICAL SURVEY GEOLOGICAL ATLAS, MOTHERLODE (no.63), 11 pp., 1900
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Skutterudite
Formula: CoAs3
Spessartine
Formula: Mn2+3Al2(SiO4)3
Localities: Reported from at least 6 localities in this region.
Sphalerite
Formula: ZnS
Localities: Reported from at least 12 localities in this region.
Stibnite
Formula: Sb2S3
Talc
Formula: Mg3Si4O10(OH)2
Localities: Reported from at least 10 localities in this region.
Tetradymite
Formula: Bi2Te2S
Tetrahedrite
Formula: Cu6Cu4(Fe2+,Zn)2Sb4S12S
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Colour: Black
Description: Occurs in quartz.
Reference: Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 390; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 370.
'Wad'
'Wad var: Cobaltian Wad'

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Antimony1.CA.05Sb
Gold1.AA.05Au
Graphite1.CB.05aC
Osmium1.AF.05(Os,Ir,Ru)
Platinum1.AF.10Pt
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
var: Danaite2.EB.20(Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Cinnabar2.CD.15aHgS
Freibergite2.GB.05(Ag,Cu,◻)10Fe2+2Sb4S12
Galena2.CD.10PbS
Hessite2.BA.60Ag2Te
Jamesonite2.HB.15Pb4FeSb6S14
Marcasite2.EB.10aFeS2
Petzite2.BA.75Ag3AuTe2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Skutterudite2.EC.05CoAs3
Sphalerite2.CB.05aZnS
Stibnite2.DB.05Sb2S3
Tetradymite2.DC.05Bi2Te2S
Tetrahedrite2.GB.05Cu6Cu4(Fe2+,Zn)2Sb4S12S
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Hematite4.CB.05Fe2O3
Magnesiochromite4.BB.05MgCr2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Moss Agate4.DA.05SiO2
var: Rock Crystal4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Aragonite5.AB.15CaCO3
var: Flos Ferri5.AB.15CaCO3
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunite7.BC.10KAl3(SO4)2(OH)6
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Antigorite9.ED.15Mg3(Si2O5)(OH)4
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Glaucophane9.DE.25◻[Na2][Mg3Al2]Si8O22(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Rhodonite9.DK.05Mn2+SiO3
Sanidine9.FA.30K(AlSi3O8)
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Asbestos'-
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'Limonite'-(Fe,O,OH,H2O)
'Manganese Oxides'-
'Psilomelane'-Mn, O
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z
'Wad'-
'var: Cobaltian Wad'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Platinum Group Metals and Alloys
Osmium1.2.2.1(Os,Ir,Ru)
Platinum1.2.1.1Pt
Semi-metals and non-metals
Antimony1.3.1.2Sb
Graphite1.3.6.2C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
Hessite2.4.2.1Ag2Te
Petzite2.4.3.3Ag3AuTe2
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
Tetradymite2.11.7.1Bi2Te2S
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Skutterudite2.12.17.1CoAs3
Group 3 - SULFOSALTS
3 <ø < 4
Freibergite3.3.6.3(Ag,Cu,◻)10Fe2+2Sb4S12
Tetrahedrite3.3.6.1Cu6Cu4(Fe2+,Zn)2Sb4S12S
2 < ø < 2.49
Jamesonite3.6.7.1Pb4FeSb6S14
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnesiochromite7.2.3.1MgCr2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Alunite30.2.4.1KAl3(SO4)2(OH)6
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
A3(XO4)2·xH2O
Erythrite40.3.6.3Co3(AsO4)2 · 8H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
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)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
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
Glaucophane66.1.3c.1◻[Na2][Mg3Al2]Si8O22(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Antigorite71.1.2a.1Mg3(Si2O5)(OH)4
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Sanidine76.1.1.2K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3
var: Flos Ferri-CaCO3
Arsenopyrite
var: Danaite
-(Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS
'Asbestos'-
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'Limonite'-(Fe,O,OH,H2O)
'Manganese Oxides'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Psilomelane'-Mn, O
Quartz
var: Chalcedony
-SiO2
var: Moss Agate-SiO2
var: Rock Crystal-SiO2
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z
'Wad'-
'var: Cobaltian Wad'-

List of minerals for each chemical element

HHydrogen
H TalcMg3Si4O10(OH)2
H Limonite(Fe,O,OH,H2O)
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H ErythriteCo3(AsO4)2 · 8H2O
H AluniteKAl3(SO4)2(OH)6
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H OpalSiO2 · nH2O
H Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
H ChrysotileMg3(Si2O5)(OH)4
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H AntigoriteMg3(Si2O5)(OH)4
H AzuriteCu3(CO3)2(OH)2
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C AnkeriteCa(Fe2+,Mg)(CO3)2
C Aragonite (var: Flos Ferri)CaCO3
C GraphiteC
C AzuriteCu3(CO3)2(OH)2
C AragoniteCaCO3
OOxygen
O TalcMg3Si4O10(OH)2
O QuartzSiO2
O Quartz (var: Rock Crystal)SiO2
O CalciteCaCO3
O ChromiteFe2+Cr23+O4
O PsilomelaneMn, O
O BaryteBaSO4
O RhodoniteMn2+SiO3
O SpessartineMn32+Al2(SiO4)3
O Limonite(Fe,O,OH,H2O)
O DolomiteCaMg(CO3)2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O ErythriteCo3(AsO4)2 · 8H2O
O Quartz (var: Moss Agate)SiO2
O MagnesiochromiteMgCr2O4
O AluniteKAl3(SO4)2(OH)6
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O HematiteFe2O3
O OpalSiO2 · nH2O
O Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
O ChrysotileMg3(Si2O5)(OH)4
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O AndraditeCa3Fe23+(SiO4)3
O Aragonite (var: Flos Ferri)CaCO3
O Garnet GroupX3Z2(SiO4)3
O MuscoviteKAl2(AlSi3O10)(OH)2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O SanidineK(AlSi3O8)
O AntigoriteMg3(Si2O5)(OH)4
O MagnetiteFe2+Fe23+O4
O AzuriteCu3(CO3)2(OH)2
O AragoniteCaCO3
O Quartz (var: Chalcedony)SiO2
NaSodium
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
MgMagnesium
Mg TalcMg3Si4O10(OH)2
Mg DolomiteCaMg(CO3)2
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg MagnesiochromiteMgCr2O4
Mg Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Mg ChrysotileMg3(Si2O5)(OH)4
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg AntigoriteMg3(Si2O5)(OH)4
AlAluminium
Al SpessartineMn32+Al2(SiO4)3
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al AluniteKAl3(SO4)2(OH)6
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al SanidineK(AlSi3O8)
SiSilicon
Si TalcMg3Si4O10(OH)2
Si QuartzSiO2
Si Quartz (var: Rock Crystal)SiO2
Si RhodoniteMn2+SiO3
Si SpessartineMn32+Al2(SiO4)3
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Quartz (var: Moss Agate)SiO2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si OpalSiO2 · nH2O
Si Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Si ChrysotileMg3(Si2O5)(OH)4
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si AndraditeCa3Fe23+(SiO4)3
Si Garnet GroupX3Z2(SiO4)3
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si SanidineK(AlSi3O8)
Si AntigoriteMg3(Si2O5)(OH)4
Si Quartz (var: Chalcedony)SiO2
SSulfur
S TetradymiteBi2Te2S
S PyriteFeS2
S GalenaPbS
S SphaleriteZnS
S ChalcopyriteCuFeS2
S PyrrhotiteFe7S8
S BaryteBaSO4
S MarcasiteFeS2
S StibniteSb2S3
S CinnabarHgS
S BorniteCu5FeS4
S Freibergite(Ag,Cu,◻)10Fe22+Sb4S12
S JamesonitePb4FeSb6S14
S TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
S AluniteKAl3(SO4)2(OH)6
S ChalcociteCu2S
S ArsenopyriteFeAsS
S Arsenopyrite (var: Danaite)(Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS
KPotassium
K AluniteKAl3(SO4)2(OH)6
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K SanidineK(AlSi3O8)
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca AndraditeCa3Fe23+(SiO4)3
Ca Aragonite (var: Flos Ferri)CaCO3
Ca AragoniteCaCO3
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr MagnesiochromiteMgCr2O4
MnManganese
Mn PsilomelaneMn, O
Mn RhodoniteMn2+SiO3
Mn SpessartineMn32+Al2(SiO4)3
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe PyrrhotiteFe7S8
Fe ChromiteFe2+Cr23+O4
Fe MarcasiteFeS2
Fe Limonite(Fe,O,OH,H2O)
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe BorniteCu5FeS4
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe Freibergite(Ag,Cu,◻)10Fe22+Sb4S12
Fe JamesonitePb4FeSb6S14
Fe TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe HematiteFe2O3
Fe ArsenopyriteFeAsS
Fe Arsenopyrite (var: Danaite)(Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Fe AndraditeCa3Fe23+(SiO4)3
Fe MagnetiteFe2+Fe23+O4
CoCobalt
Co ErythriteCo3(AsO4)2 · 8H2O
Co SkutteruditeCoAs3
Co Arsenopyrite (var: Danaite)(Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
CuCopper
Cu ChalcopyriteCuFeS2
Cu BorniteCu5FeS4
Cu Freibergite(Ag,Cu,◻)10Fe22+Sb4S12
Cu TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Cu ChalcociteCu2S
Cu AzuriteCu3(CO3)2(OH)2
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AsArsenic
As ErythriteCo3(AsO4)2 · 8H2O
As SkutteruditeCoAs3
As ArsenopyriteFeAsS
As Arsenopyrite (var: Danaite)(Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS
AgSilver
Ag Freibergite(Ag,Cu,◻)10Fe22+Sb4S12
Ag PetziteAg3AuTe2
Ag HessiteAg2Te
SbAntimony
Sb AntimonySb
Sb StibniteSb2S3
Sb Freibergite(Ag,Cu,◻)10Fe22+Sb4S12
Sb JamesonitePb4FeSb6S14
Sb TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
TeTellurium
Te TetradymiteBi2Te2S
Te PetziteAg3AuTe2
Te HessiteAg2Te
BaBarium
Ba BaryteBaSO4
OsOsmium
Os Osmium(Os,Ir,Ru)
PtPlatinum
Pt PlatinumPt
AuGold
Au GoldAu
Au PetziteAg3AuTe2
HgMercury
Hg CinnabarHgS
PbLead
Pb GalenaPbS
Pb JamesonitePb4FeSb6S14
BiBismuth
Bi TetradymiteBi2Te2S

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2; [… Geological Society of America Proceedings, 1933: 312-313, 1934]: 32-33.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 101.

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