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French Creek Mining District, Calaveras County, California, USAi
Regional Level Types
French Creek Mining DistrictMining District
Calaveras CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
38° North , 120° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~54km
Mindat Locality ID:
189626
Long-form identifier:
mindat:1:2:189626:1
GUID (UUID V4):
0


Essentially a Cr mining area centered around French Creek (stream).

Select Mineral List Type

Standard Detailed Gallery Strunz 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

12 valid minerals.

Detailed Mineral List:

โ“˜ 'Asbestos'
Description: Considerabl;e slip-fiber material present.
โ“˜ Chalcopyrite
Formula: CuFeS2
โ“˜ Chromite
Formula: Fe2+Cr3+2O4
Localities: Reported from at least 7 localities in this region.
โ“˜ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
โ“˜ Clinochlore var. Chromium-bearing Clinochlore
Formula: Mg5(Al,Cr)2Si3O10(OH)8
โ“˜ 'Fayalite-Forsterite Series'
โ“˜ Magnesiochromite
Formula: MgCr2O4
Localities: Reported from at least 7 localities in this region.
โ“˜ Magnesite
Formula: MgCO3
โ“˜ Malachite
Formula: Cu2(CO3)(OH)2
โ“˜ Native Gold
Formula: Au
โ“˜ Opal
Formula: SiO2 · nH2O
โ“˜ Pyrite
Formula: FeS2
โ“˜ 'Pyroxene Group'
Formula: ADSi2O6
โ“˜ Quartz
Formula: SiO2
โ“˜ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Localities: Reported from at least 6 localities in this region.
โ“˜ Talc
Formula: Mg3Si4O10(OH)2
โ“˜ Uvarovite
Formula: Ca3Cr2(SiO4)3

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
โ“˜Native Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
โ“˜Chalcopyrite2.CB.10aCuFeS2
โ“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
โ“˜Chromite4.BB.05Fe2+Cr3+2O4
โ“˜Magnesiochromite4.BB.05MgCr2O4
โ“˜Quartz4.DA.05SiO2
โ“˜Opal4.DA.10SiO2 ยท nH2O
Group 5 - Nitrates and Carbonates
โ“˜Magnesite5.AB.05MgCO3
โ“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
โ“˜Uvarovite9.AD.25Ca3Cr2(SiO4)3
โ“˜Talc9.EC.05Mg3Si4O10(OH)2
โ“˜Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
โ“˜var. Chromium-bearing Clinochlore9.EC.55Mg5(Al,Cr)2Si3O10(OH)8
Unclassified
โ“˜'Asbestos'-
โ“˜'Fayalite-Forsterite Series'-
โ“˜'Pyroxene Group'-ADSi2O6
โ“˜'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hโ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Hโ“˜ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Hโ“˜ MalachiteCu2(CO3)(OH)2
Hโ“˜ OpalSiO2 · nH2O
Hโ“˜ TalcMg3Si4O10(OH)2
Hโ“˜ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cโ“˜ MagnesiteMgCO3
Cโ“˜ MalachiteCu2(CO3)(OH)2
OOxygen
Oโ“˜ ChromiteFe2+Cr23+O4
Oโ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Oโ“˜ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Oโ“˜ MagnesiteMgCO3
Oโ“˜ MagnesiochromiteMgCr2O4
Oโ“˜ MalachiteCu2(CO3)(OH)2
Oโ“˜ OpalSiO2 · nH2O
Oโ“˜ QuartzSiO2
Oโ“˜ TalcMg3Si4O10(OH)2
Oโ“˜ UvaroviteCa3Cr2(SiO4)3
Oโ“˜ Fayalite-Forsterite Series
Oโ“˜ Pyroxene GroupADSi2O6
Oโ“˜ Serpentine SubgroupD3[Si2O5](OH)4
MgMagnesium
Mgโ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgโ“˜ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Mgโ“˜ MagnesiteMgCO3
Mgโ“˜ MagnesiochromiteMgCr2O4
Mgโ“˜ TalcMg3Si4O10(OH)2
Mgโ“˜ Fayalite-Forsterite Series
AlAluminium
Alโ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Alโ“˜ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
SiSilicon
Siโ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Siโ“˜ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Siโ“˜ OpalSiO2 · nH2O
Siโ“˜ QuartzSiO2
Siโ“˜ TalcMg3Si4O10(OH)2
Siโ“˜ UvaroviteCa3Cr2(SiO4)3
Siโ“˜ Fayalite-Forsterite Series
Siโ“˜ Pyroxene GroupADSi2O6
Siโ“˜ Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
Sโ“˜ ChalcopyriteCuFeS2
Sโ“˜ PyriteFeS2
CaCalcium
Caโ“˜ UvaroviteCa3Cr2(SiO4)3
CrChromium
Crโ“˜ ChromiteFe2+Cr23+O4
Crโ“˜ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Crโ“˜ MagnesiochromiteMgCr2O4
Crโ“˜ UvaroviteCa3Cr2(SiO4)3
FeIron
Feโ“˜ ChalcopyriteCuFeS2
Feโ“˜ ChromiteFe2+Cr23+O4
Feโ“˜ PyriteFeS2
Feโ“˜ Fayalite-Forsterite Series
CuCopper
Cuโ“˜ ChalcopyriteCuFeS2
Cuโ“˜ MalachiteCu2(CO3)(OH)2
AuGold
Auโ“˜ Native GoldAu

Localities in this Region

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