Amador County, California, USA (original) (raw)

Formula: Na(AlSi3O8)

Localities:

Treasure Mine (Hazard Mine), New Chicago, Jackson-Plymouth Mining District, Amador County, California, USA
Central Eureka Mine (Summit Mine), Sutter Creek, Jackson-Plymouth Mining District, Amador County, California, USA
Old Eureka Mine (Eureka Mine; Amador Consolidated Mine; Hetty Green Mine; Hayward Mine; Amador claim; Maxwell claim; Alpha claim; Railroad claim), Central Eureka Mine (Summit Mine), Sutter Creek, Jackson-Plymouth Mining District, Amador County, California, USA
Jackson Butte, Amador County, California, USA

ⓘ Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si2O8]

ⓘ Alleghanyite

Formula: Mn2+5(SiO4)2(OH)2

Localities:

Lubanko prospect, Fiddletown (Oleta), Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
Germolis prospect (Rodon; Rodonick; Germolie; Cormolis), Fiddletown (Oleta), Fiddletown Mining District (Oleta Mining District), Amador County, California, USA

ⓘ 'Amphibole Supergroup'

Formula: A B2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

ⓘ 'Anauxite'

Localities:

Newton Mine (Newton Copper Mine; Jackson Mine), Sunnybrook, Pardee Mining District, Amador County, California, USA
Unnamed kaolinite occurrence [1], Lancha Plana, Camanche-Lancha Plana Mining District (Camanche Mining District), Amador County, California, USA

ⓘ 'Andradite-Grossular Series'

ⓘ Ankerite

Formula: Ca(Fe2+,Mg)(CO3)2

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

Description: Occurs as incrustations on slate.

ⓘ Anorthite

Formula: Ca(Al2Si2O8)

ⓘ Anorthite var. Labradorite

Formula: (Ca,Na)[Al(Al,Si)Si2O8]

ⓘ 'Apatite'

Formula: Ca5(PO4)3(Cl/F/OH)

Localities:

Kennedy Mine, Martell, Jackson-Plymouth Mining District, Amador County, California, USA
Amador County, California, USA
Jackson Butte, Amador County, California, USA

Description: Principal gangue mineral in some deep level ore.

ⓘ Arsenopyrite

Formula: FeAsS

Localities: Reported from at least 15 localities in this region.

Description: Auriferous material occurring in many gold mines in the county.

ⓘ 'Asbestos'

ⓘ Augite

Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6

ⓘ 'Axinite Group'

Description: Occurs as crystals to 1 inch (2.5 cm) long in veins cutting limestone.

ⓘ Azurite

Formula: Cu3(CO3)2(OH)2

ⓘ 'Biotite'

Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

ⓘ Bornite

Formula: Cu5FeS4

Localities:

Copper Hill Mine (Cosumnes Mine; Hobo Mine; Jackass shaft), Four Corners, Amador County, California, USA
Elkhorn Mine (Haywire Mine), Pioneer, West Point Mining District, East Belt, Amador County, California, USA
Pine Grove Unit Mine, Pine Grove, Pine Grove Mining District, East Belt, Amador County, California, USA
Red Hill Mine, Pine Grove, Pine Grove Mining District, East Belt, Amador County, California, USA
Pine Grove Mine, Barton, West Point Mining District, East Belt, Amador County, California, USA

ⓘ Calcite

Formula: CaCO3

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

ⓘ Chalcocite

Formula: Cu2S

Description: Occurs in appreciable amounts in the deepest levels of the mine.

ⓘ Chalcopyrite

Formula: CuFeS2

Localities: Reported from at least 28 localities in this region.

Description: Chief ore mineral here.

ⓘ 'Chlorite Group'

Localities:

Old Eureka Mine (Eureka Mine; Amador Consolidated Mine; Hetty Green Mine; Hayward Mine; Amador claim; Maxwell claim; Alpha claim; Railroad claim), Central Eureka Mine (Summit Mine), Sutter Creek, Jackson-Plymouth Mining District, Amador County, California, USA
Lincoln Mine (Lincoln claim; Stewart claim; Belmont claim), Lincoln Consolidated Mine (Lincoln Mine; Wildman Mine; Mahoney Mine; South Mahoney Mine; Steward Mine; Belmont Mine; Wildman-Mahoney Mine), Sutter Creek, Jackson-Plymouth Mining District, Amador County, California, USA

Description: Occurs as an alteration product.

ⓘ Chromite

Formula: Fe2+Cr3+2O4

Localities: Reported from at least 15 localities in this region.

ⓘ 'Chrysoprase'

Localities:

Mooney prospect (Mooney claims), Sunnybrook, Pardee Mining District, Amador County, California, USA
Chrysoprase and Moss Opal deposits, River Pines, Fiddletown Mining District (Oleta Mining District), Amador County, California, USA

Description: Occurs in serpentine.

ⓘ Chrysotile

Formula: Mg3(Si2O5)(OH)4

Description: Occurs as veins in a dark green serpentine.

ⓘ 'Clay minerals'

Localities: Reported from at least 44 localities in this region.

ⓘ Clinochlore

Formula: Mg5Al(AlSi3O10)(OH)8

ⓘ Clinochlore var. Chromium-bearing Clinochlore

Formula: Mg5(Al,Cr)2Si3O10(OH)8

ⓘ Clinozoisite

Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

ⓘ Copiapite

Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O

ⓘ Copper

Formula: Cu

Description: Occurs as arborescent masses.

ⓘ Cuprocopiapite

Formula: Cu2+Fe3+4(SO4)6(OH)2 · 20H2O

ⓘ Diamond

Formula: C

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

Description: One stone only found.

ⓘ Enstatite

Formula: Mg2Si2O6

ⓘ Epidote

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

ⓘ Epsomite

Formula: MgSO4 · 7H2O

ⓘ Fluorapatite

Formula: Ca5(PO4)3F

ⓘ Galena

Formula: PbS

Localities: Reported from at least 28 localities in this region.

ⓘ 'Garnet Group'

Formula: X3Z2(SiO4)3

Localities:

Mellow Days claim, Mokelumne River, Amador County, California, USA
Easy Nights claim, Mokelumne River, Amador County, California, USA
Mokelumne River, Amador County, California, USA
Jackson Butte, Amador County, California, USA

ⓘ Gold

Formula: Au

Localities: Reported from at least 280 localities in this region.

ⓘ Graphite

Formula: C

Localities:

Argonaut Mine (Pioneer Mine; Sunset), Martell, Jackson-Plymouth Mining District, Amador County, California, USA
Fields Mine, Chrome Mountain, Pardee Mining District, Amador County, California, USA

Description: Rather abundant.

ⓘ 'Grossular-Hibschite Series'

ⓘ Halloysite

Formula: Al2(Si2O5)(OH)4

ⓘ Hematite

Formula: Fe2O3

Localities:

Eagle's Head deposit, Rancheria, Volcano, Volcano Mining District, Amador County, California, USA
Mokelumne River, Amador County, California, USA
Fields Mine, Chrome Mountain, Pardee Mining District, Amador County, California, USA

ⓘ 'Hornblende Root Name Group'

Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2

ⓘ Ilmenite

Formula: Fe2+TiO3

ⓘ 'Jasper'

ⓘ Kaolinite

Formula: Al2(Si2O5)(OH)4

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

ⓘ Kornelite

Formula: Fe2(SO4)3 · 7H2O

ⓘ 'Limonite'

Localities:

Anita Mine (Bright Mine), Jackson, Jackson-Plymouth Mining District, Amador County, California, USA
Eagle's Head deposit, Rancheria, Volcano, Volcano Mining District, Amador County, California, USA

ⓘ Löllingite

Formula: FeAs2

Description: Occurs as small crystals in veins in slate.

ⓘ Magnesiochromite

Formula: MgCr2O4

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

ⓘ Magnetite

Formula: Fe2+Fe3+2O4

Localities:

Du Frene prospect (Dufrene prospect; Empire Mine; Pacific Mine), Sunnybrook, Pardee Mining District, Amador County, California, USA
Mokelumne River, Amador County, California, USA
Jackson Butte, Amador County, California, USA

ⓘ Malachite

Formula: Cu2(CO3)(OH)2

Localities:

Copper Hill Mine (Cosumnes Mine; Hobo Mine; Jackass shaft), Four Corners, Amador County, California, USA
Jumbo Mine, Barton, West Point Mining District, East Belt, Amador County, California, USA
Volcano, Volcano Mining District, Amador County, California, USA

ⓘ 'Manganese Oxides'

Localities:

Digitalli prospect, Jackson Butte, Amador County, California, USA
Custer prospect (Dooley prospect; Custer Dooley prospect), Sunnybrook, Pardee Mining District, Amador County, California, USA
Deaver prospect (Reeves Mine), Fiddletown (Oleta), Fiddletown Mining District (Oleta Mining District), Amador County, California, USA

Description: Occurs as films. Cobaltiferous.

ⓘ Marcasite

Formula: FeS2

Localities:

Defender Mine, Pioneer, West Point Mining District, East Belt, Amador County, California, USA
Oneida Mine, Martell, Jackson-Plymouth Mining District, Amador County, California, USA

ⓘ Melanterite

Formula: Fe2+(H2O)6SO4 · H2O

Description: Occurs on walls of an old tunnel.

ⓘ Mendozite

Formula: NaAl(SO4)2 · 11H2O

Description: Occurs on walls of an old tunnel.

ⓘ Molybdenite

Formula: MoS2

Localities:

Midian Mine, Herbertville, Amador County, California, USA
Argonaut Mine (Pioneer Mine; Sunset), Martell, Jackson-Plymouth Mining District, Amador County, California, USA
Badger Mine, Amador County, California, USA
Zeile Mine (Zeila Mine; Coney and Bigelow claim; Blue Jacket claim; Tims Corner tailings pile), Jackson, Jackson-Plymouth Mining District, Amador County, California, USA

ⓘ 'Monazite Group'

Formula: REE(PO4)

ⓘ Muscovite

Formula: KAl2(AlSi3O10)(OH)2

Localities: Reported from at least 9 localities in this region.

ⓘ Muscovite var. Sericite

Formula: KAl2(AlSi3O10)(OH)2

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

Description: Occurs as an alteration product.

ⓘ 'Ochre'

ⓘ 'Olivine Group'

Formula: M2SiO4

ⓘ Opal

Formula: SiO2 · nH2O

Localities:

Custer prospect (Dooley prospect; Custer Dooley prospect), Sunnybrook, Pardee Mining District, Amador County, California, USA
Volcano, Volcano Mining District, Amador County, California, USA
Chrysoprase and Moss Opal deposits, River Pines, Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
Unknown diamond occurrence [1], Volcano, Volcano Mining District, Amador County, California, USA

ⓘ Opal var. Moss Opal

ⓘ 'Orthopyroxene Subgroup'

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi2]O8

ⓘ 'Psilomelane'

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

ⓘ Pyrite

Formula: FeS2

Localities: Reported from at least 40 localities in this region.

ⓘ Pyrite var. Gold-bearing Pyrite

Formula: FeS2

Localities:

Kennedy Mine, Martell, Jackson-Plymouth Mining District, Amador County, California, USA
Lincoln Mine (Lincoln claim; Stewart claim; Belmont claim), Lincoln Consolidated Mine (Lincoln Mine; Wildman Mine; Mahoney Mine; South Mahoney Mine; Steward Mine; Belmont Mine; Wildman-Mahoney Mine), Sutter Creek, Jackson-Plymouth Mining District, Amador County, California, USA
South Eureka Mine, Sutter Creek, Jackson-Plymouth Mining District, Amador County, California, USA

ⓘ Pyrolusite

Formula: Mn4+O2

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

ⓘ Pyrophyllite ?

Formula: Al2Si4O10(OH)2

Localities:

Central Eureka Mine (Summit Mine), Sutter Creek, Jackson-Plymouth Mining District, Amador County, California, USA ? (more information)
Kennedy Mine, Martell, Jackson-Plymouth Mining District, Amador County, California, USA ? (more information)

Description: Stated to possibly be damourite.

ⓘ Pyrrhotite

Formula: Fe1-xS

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

ⓘ Quartz

Formula: SiO2

Localities: Reported from at least 101 localities in this region.

ⓘ Quartz var. Amethyst

Formula: SiO2

Localities:

Oleta Area Quartz occurrences, Fiddletown (Oleta), Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
Volcano, Volcano Mining District, Amador County, California, USA
Chrysoprase and Moss Opal deposits, River Pines, Fiddletown Mining District (Oleta Mining District), Amador County, California, USA

ⓘ Quartz var. Blue Chalcedony

Formula: SiO2

ⓘ Quartz var. Blue Quartz

Formula: SiO2

ⓘ Quartz var. Chalcedony

Formula: SiO2

Localities:

Chrysoprase and Moss Opal deposits, River Pines, Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
Volcano, Volcano Mining District, Amador County, California, USA
Ellis property (Boss Mine), Chrome Mountain, Pardee Mining District, Amador County, California, USA
Custer prospect (Dooley prospect; Custer Dooley prospect), Sunnybrook, Pardee Mining District, Amador County, California, USA
Unknown diamond occurrence [1], Volcano, Volcano Mining District, Amador County, California, USA

ⓘ Quartz var. Milky Quartz

Formula: SiO2

ⓘ Quartz var. Rock Crystal

Formula: SiO2

Localities:

New York Mine (Anderson Mine), Goat Hill, West Belt, Amador County, California, USA
Oleta Area Quartz occurrences, Fiddletown (Oleta), Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
Volcano, Volcano Mining District, Amador County, California, USA

Description: Contains carbonaceous inclusions.

ⓘ Quartz var. Rose Quartz

Formula: SiO2

ⓘ Quartz var. Rutilated Quartz

Formula: SiO2

ⓘ Quartz var. Smoky Quartz

Formula: SiO2

ⓘ Rhodochrosite

Formula: MnCO3

Localities:

ⓘ Rhodonite

Formula: CaMn3Mn[Si5O15]

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

ⓘ Rutile

Formula: TiO2

ⓘ Schorl

Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

ⓘ 'Serpentine Subgroup'

Formula: D3[Si2O5](OH)4

Localities:

Ellis property (Boss Mine), Chrome Mountain, Pardee Mining District, Amador County, California, USA
Mace Mine (Mace Ranch prospect), Sunnybrook, Pardee Mining District, Amador County, California, USA
Taylor Ranch Mine, Bisbee Peak, Amador County, California, USA
Unnamed stone quarry [4], Bisbee Peak, Amador County, California, USA

ⓘ 'Silica'

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

ⓘ 'Soapstone'

ⓘ Spessartine

Formula: Mn2+3Al2(SiO4)3

ⓘ Sphalerite

Formula: ZnS

Localities: Reported from at least 17 localities in this region.

ⓘ Stibnite

Formula: Sb2S3

Localities:

Ione Mine (Irish Hill Mine), Irish Hill, Irish Hill Mining District, Amador County, California, USA
Keystone Mine (Keystone group; Keystone claim; Spring Hill claim; Geneva claim; Granite State claim; Niagara claim; East Keystone claim), Amador City, Jackson-Plymouth Mining District, Amador County, California, USA

ⓘ Strengite

Formula: FePO4 · 2H2O

Description: Occurs in the deep levels of the mine.

ⓘ Talc

Formula: Mg3Si4O10(OH)2

Localities:

Soapstone lode (Soapstone outcrop), Rocky Point, Amador County, California, USA
Van Dusen Ranch, Newtonville, Amador County, California, USA
Moon prospect, Sunnybrook, Pardee Mining District, Amador County, California, USA

ⓘ Tephroite

Formula: Mn2+2SiO4

Localities:

Description: Occurs in nodules.

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu6(Cu4C2+2)Sb4S12S

Localities:

Argonaut Mine (Pioneer Mine; Sunset), Martell, Jackson-Plymouth Mining District, Amador County, California, USA
Thayer Mine (Grey House Mine; Greyhouse Mine; Grayhouse Mine), Waters Peak, Pardee Mining District, Amador County, California, USA

ⓘ Thorite

Formula: Th(SiO4)

ⓘ Tremolite

Formula: ◻Ca2Mg5(Si8O22)(OH)2

Localities:

Chrysoprase and Moss Opal deposits, River Pines, Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
Little Grass Valley Mine, Pine Grove Mining District, East Belt, Amador County, California, USA

ⓘ Uvarovite

Formula: Ca3Cr2(SiO4)3

ⓘ Wollastonite

Formula: Ca3(Si3O9)

ⓘ Zircon

Formula: Zr(SiO4)