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

Formula: Ag2S

Localities:

Paymaster Mine (Paymaster group; Complex Minerals; President claim; Flagpole group; Hazel claim; Emilia), Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
Mary Lode Mine, Mount Barrow, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
Unnamed Ag occurrence [1], Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ Actinolite

Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2

ⓘ Albite

Formula: Na(AlSi3O8)

Localities:

Superstition Mountain Feldspar deposit (Superstition Mtn Feldspar deposit; Graham and Jackson claims; Graham-Jackson deposit), Plaster City, Imperial County, California, USA
Bluebird Kyanite Mine (Vitrefrax Corporation property; Vitrefrax Mine; Bluebird Hill Kyanite deposit; Drifted Snow; Foster Bluebird Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Almandine

Formula: Fe2+3Al2(SiO4)3

Description: Occurs as crystals to 8 mm. Common in a pyrophyllite lens.

ⓘ Andalusite

Formula: Al2(SiO4)O

Localities:

Drifted Snow Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Bluebird Kyanite Mine (Vitrefrax Corporation property; Vitrefrax Mine; Bluebird Hill Kyanite deposit; Drifted Snow; Foster Bluebird Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
American Girl Mine (Cargo Mine; Cargo Muchacho Mine), American Girl project, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA ? (more information)

Colour: brown

Description: Collected by William W Besse

ⓘ Anhydrite

Formula: CaSO4

Localities:

Blue Diamond Corp. deposit (Houck Tract 71 deposit), Fish Creek Mountains, Imperial County, California, USA
Imperial Gypsum deposit (Pacific Portland Cement; California Gypsum group; Tracts 68; 69; 70; 78; Ward; Gillette; Imperial Gypsum and Oil Corporation), Fish Creek Mountains, Imperial County, California, USA
Salton Sea Scientific Drilling project well, Salton Sea, Imperial County, California, USA
Davis–Schrimpf Fumarole Field (Mud Volcanoes area; Mud Pots area), Niland, Imperial County, California, USA

ⓘ Ankerite

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

Localities:

Cherokee pit, Mesquite District, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Vista pit (Vista; Desert Gold and Aluminum Gold Delta), Mesquite District, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Salton Sea Scientific Drilling project well, Salton Sea, Imperial County, California, USA

ⓘ Antigorite

Formula: Mg3(Si2O5)(OH)4

ⓘ 'Apatite'

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

ⓘ Aragonite

Formula: CaCO3

ⓘ Arsenopyrite

Formula: FeAsS

ⓘ Atacamite

Formula: Cu2(OH)3Cl

ⓘ Autunite

Formula: Ca(UO2)2(PO4)2 · 10-12H2O

Description: Occurs in the deposit footwall.

ⓘ Azurite

Formula: Cu3(CO3)2(OH)2

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

ⓘ Baryte

Formula: BaSO4

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

ⓘ Baryte var. Strontium-bearing Baryte

Formula: (Ba,Sr)SO4

Localities:

Colour: Pinkish

Description: Occurs as euhedral crystals filling vugs or seams in a pyrophyllite lens.

ⓘ 'Baryte-Celestine Series'

ⓘ 'Biotite'

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

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

ⓘ Bismutite

Formula: (BiO)2CO3

ⓘ Blödite

Formula: Na2Mg(SO4)2 · 4H2O

Localities:

Bertram Mine (Bertram Siding Sulfate deposit; Bertram Sodium Sulphate deposits), Bertram siding, Bertram, Imperial County, California, USA
Davis–Schrimpf Fumarole Field (Mud Volcanoes area; Mud Pots area), Niland, Imperial County, California, USA
Sulfur Hill, F2 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA
F2 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA
F1 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA

Description: Occurs as a 6 to 12 inch (15.5 to 31 cm) thick layer interstratified with thenardite and clay.

ⓘ Bornite

Formula: Cu5FeS4

ⓘ Boussingaultite

Formula: (NH4)2Mg(SO4)2 · 6H2O

Localities:

F2 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA
F1 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA

ⓘ Calcite

Formula: CaCO3

Localities: Reported from at least 25 localities in this region.

ⓘ Calderónite

Formula: Pb2Fe3+(VO4)2(OH)

ⓘ Carnotite

Formula: K2(UO2)2(VO4)2 · 3H2O

Localities:

Cargo Muchacho Mountains, Imperial County, California, USA
Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
McKnight Mine (Lucky Star Mine; Lucky Star claims), Glamis, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Crown Uranium prospect (Crown Uranium group; Tenn-Cal claims; Tenn-Cal group), Glamis, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Bluebird Kyanite Mine (Vitrefrax Corporation property; Vitrefrax Mine; Bluebird Hill Kyanite deposit; Drifted Snow; Foster Bluebird Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Celestine

Formula: SrSO4

Description: Occurs as fuine crystalline material underlain by gypsum.

ⓘ Cerussite

Formula: PbCO3

Localities:

Mayflower Mine, Pebble Mountain, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA
Paymaster Mine (Paymaster group; Complex Minerals; President claim; Flagpole group; Hazel claim; Emilia), Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA

Description: Occurs in small veins and pockets. The primary ore mineral.

ⓘ Chalcanthite

Formula: CuSO4 · 5H2O

ⓘ Chalcocite

Formula: Cu2S

Localities:

ⓘ Chalcopyrite

Formula: CuFeS2

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

Description: A minor ore mineral.

ⓘ Chlorargyrite

Formula: AgCl

Localities:

Paymaster Mine (Paymaster group; Complex Minerals; President claim; Flagpole group; Hazel claim; Emilia), Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
President Claim, Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ 'Chlorite Group'

Localities:

Cal-White Limestone deposit (Cal-White deposit; Ray claims; Kimberly; Cal White; Little White), Coyote Wells, Imperial County, California, USA
Salton Sea Scientific Drilling project well, Salton Sea, Imperial County, California, USA
Picacho Mine (Picacho Gold Mine; Goshen; Helen May; Tierra Rica; Mina Rica; St. George; California Gold King; Picacho Basin; Golden Rule; Venus; Jayne; Golden Casket; Dulciana; Mars), Picacho Peak, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA
Rainbow Mine [2] (Hess claim; El Lucerne; El Lucero claim; La Fortuga No. 1 claim; La Fortuga No. 2 claim; Missing Link claim; Hess Mine; Cuidadela claim), Pebble Mountain, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ Chrysocolla

Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1

Localities:

American Girl Mine (Cargo Mine; Cargo Muchacho Mine), American Girl project, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Francho Copper prospect, Black Mountain, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Unnamed Cu prospect [1], Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
Little Bear Mine, Big Bear and Little Bear Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Guadalupe Mine (Guadaloupe Mine), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Chrysotile

Formula: Mg3(Si2O5)(OH)4

ⓘ Cinnabar

Formula: HgS

ⓘ Claudetite

Formula: As2O3

Description: Occurs as crystals in a vein of kaolinite, etc.

ⓘ 'Clay minerals'

ⓘ Copper

Formula: Cu

ⓘ 'Copper Stain'

Localities:

Edwards prospect, Carrizo Mountain, Coyote Mountains, Imperial County, California, USA
Lucky Strike, Black Mountain, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Marcella prospect (Imperial Buttes), Lion Head Mountain, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Paymaster Mine (Paymaster group; Complex Minerals; President claim; Flagpole group; Hazel claim; Emilia), Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ Covellite

Formula: CuS

ⓘ Cristobalite

Formula: SiO2

ⓘ Cuprite

Formula: Cu2O

Localities:

American Girl Mine (Cargo Mine; Cargo Muchacho Mine), American Girl project, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Coffee Pot Mine (Coffee Pot prospect; Coffee; Coffey), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Descloizite

Formula: PbZn(VO4)(OH)

Localities:

American Boy Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Little Bear Mine, Big Bear and Little Bear Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Guadalupe Mine (Guadaloupe Mine), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Diopside

Formula: CaMgSi2O6

Localities:

Chain prospect, Boulder Park, Imperial County, California, USA
Myers Valley prospect (Myer Valley prospect), Boulder Park, Imperial County, California, USA
Unnamed Limestone-Garnet prospect [1], Boulder Park, Imperial County, California, USA
Unnamed Marble-W prospect [1], Boulder Park, Imperial County, California, USA
Unnamed W mine [3], Ocotillo, Imperial County, California, USA

ⓘ Dolomite

Formula: CaMg(CO3)2

Localities:

Cherokee pit, Mesquite District, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Vista pit (Vista; Desert Gold and Aluminum Gold Delta), Mesquite District, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
California route 111 mound springs, Wister, Imperial County, California, USA

ⓘ Dumortierite

Formula: Al(Al2O)(Al2O)2(SiO4)3(BO3)

Localities:

Unnamed Dumortierite occurrence [2], Picacho Peak, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA
Unnamed Dumortierite occurrences [1], Ogilby, Imperial County, California, USA
Indian Pass placer, Indian Pass, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA

Colour: Dark blue

Description: Occurs in boulders of dark blue material.

ⓘ Enstatite

Formula: Mg2Si2O6

ⓘ Epidote

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

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

ⓘ Epsomite

Formula: MgSO4 · 7H2O

Localities:

Black Lady Mine (Shell Canyon; Trenchard claim; Copper Contact lode; Coyote Mountain; Black Lady group; Cevn group), Carrizo Mountain, Coyote Mountains, Imperial County, California, USA
Coyote Mountains Nickel prospect (Coyote Mountains Nickel deposit; Copper Contact lode), Plaster City, Imperial County, California, USA
Carrizo Creek, Imperial County, California, USA
Davis–Schrimpf Fumarole Field (Mud Volcanoes area; Mud Pots area), Niland, Imperial County, California, USA
F1 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA

ⓘ Fayalite

Formula: Fe2+2SiO4

Description: Occurs occasionally in lithophysae in obsidian as crystals.

ⓘ 'Fayalite-Forsterite Series'

ⓘ 'Feldspar Group'

Localities:

Cormorant Island, Salton Sea, Imperial County, California, USA
Red Desert Mine, Boulder Park, Imperial County, California, USA
Shell Group Placer Mine, Plaster City, Imperial County, California, USA

ⓘ Fluorapatite

Formula: Ca5(PO4)3F

ⓘ Fluorite

Formula: CaF2

Localities:

Crown Uranium prospect (Crown Uranium group; Tenn-Cal claims; Tenn-Cal group), Glamis, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Black Widow Mine (Black Angus Mine; Angus No. 2), Thumb Peak, Palo Verde Mining District, Palo Verde Mountains, Imperial County, California, USA
President Claim, Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
Little Bear Mine, Big Bear and Little Bear Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Forsterite

Formula: Mg2SiO4

ⓘ Forsterite var. Peridot

Formula: Mg2SiO4

ⓘ Galena

Formula: PbS

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

ⓘ Galena var. Silver-bearing Galena

Formula: PbS with Ag

Localities:

Description: Occurs in small veins and pockets.

ⓘ 'Garnet Group'

Formula: X3Z2(SiO4)3

Localities: Reported from at least 12 localities in this region.

ⓘ 'Garnierite'

ⓘ Glauberite

Formula: Na2Ca(SO4)2

Description: Occurs as good crystals in mud of a dry lake bed.

ⓘ Goethite

Formula: α-Fe3+O(OH)

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

ⓘ Gold

Formula: Au

Localities: Reported from at least 39 localities in this region.

ⓘ Gold var. Electrum

Formula: (Au,Ag)

Localities:

St. Joseph Mine (Gold Prince; Golden Dream Mine; Gold Princess; Gold Queen; Oriental; Oro Blanco; Ponce De Leon; Alfonso; Gold Crown; Alcyon; Gold Hill; White Gold Basin Mine; Jita), Picacho, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA
Picacho Mine (Picacho Gold Mine; Goshen; Helen May; Tierra Rica; Mina Rica; St. George; California Gold King; Picacho Basin; Golden Rule; Venus; Jayne; Golden Casket; Dulciana; Mars), Picacho Peak, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ Graphite

Formula: C

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

ⓘ Grossular

Formula: Ca3Al2(SiO4)3

Colour: White

Description: Opaque material.

ⓘ Gypsum

Formula: CaSO4 · 2H2O

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

ⓘ Gypsum var. Selenite

Formula: CaSO4 · 2H2O

ⓘ Halite

Formula: NaCl

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

ⓘ Halloysite

Formula: Al2(Si2O5)(OH)4

ⓘ Halotrichite

Formula: FeAl2(SO4)4 · 22H2O

ⓘ Hematite

Formula: Fe2O3

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

ⓘ Hematite var. Specularite

Formula: Fe2O3

Description: Occurs in quartz.

ⓘ Hemimorphite

Formula: Zn4Si2O7(OH)2 · H2O

ⓘ Hexahydrite

Formula: MgSO4 · 6H2O

ⓘ Hydromagnesite

Formula: Mg5(CO3)4(OH)2 · 4H2O

ⓘ Jarosite

Formula: KFe3+3(SO4)2(OH)6

Localities:

American Girl Mine (Cargo Mine; Cargo Muchacho Mine), American Girl project, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
American Boy Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Bluebird Kyanite Mine (Vitrefrax Corporation property; Vitrefrax Mine; Bluebird Hill Kyanite deposit; Drifted Snow; Foster Bluebird Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ 'Jasper'

Localities:

Cargo Muchacho Mountains, Imperial County, California, USA
Yuha Basin, Plaster City, Imperial County, California, USA
Black Hills, Imperial County, California, USA

ⓘ Kaolinite

Formula: Al2(Si2O5)(OH)4

Localities:

Unnamed S prospect [1], 4-S Ranch area, Imperial County, California, USA
Tumco Mine (Golden Crown claim; Golden Cross claim; Golden Queen claim), Bard, Potholes Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ Kettnerite

Formula: CaBiCO3OF

ⓘ 'K Feldspar'

Localities:

Big Chief pit, Mesquite District, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Salton Sea Scientific Drilling project well, Salton Sea, Imperial County, California, USA
Snow White Mine, Carrizo Mountain, Coyote Mountains, Imperial County, California, USA
California route 111 mound springs, Wister, Imperial County, California, USA

ⓘ 'K Feldspar var. Adularia'

Formula: KAlSi3O8

Localities:

ⓘ Koktaite

Formula: (NH4)2Ca(SO4)2 · H2O

Localities:

F2 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA
F1 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA

ⓘ Konyaite

Formula: Na2Mg(SO4)2 · 5H2O

ⓘ Kyanite

Formula: Al2(SiO4)O

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

ⓘ Lazulite

Formula: MgAl2(PO4)2(OH)2

ⓘ Lecontite

Formula: (NH4,K)NaSO4 · 2H2O

Localities:

F2 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA
F1 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA

ⓘ 'Limonite'

Localities:

Description: Occurs as pseudomorphs after pyritohedral pyrite crystals to 25 mm diameter.

ⓘ Magnesite

Formula: MgCO3

ⓘ Magnetite

Formula: Fe2+Fe3+2O4

Localities:

Bluebird Kyanite Mine (Vitrefrax Corporation property; Vitrefrax Mine; Bluebird Hill Kyanite deposit; Drifted Snow; Foster Bluebird Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Simpson-Churchill-Wear deposit (Simpson; Wear Churchill deposit), Lion Head Mountain, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Unnamed Fe occurrences [2], Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
Unnamed Stone quarry [8], Pilot Knob, Winterhaven, Imperial County, California, USA
Picacho Mine (Picacho Gold Mine; Goshen; Helen May; Tierra Rica; Mina Rica; St. George; California Gold King; Picacho Basin; Golden Rule; Venus; Jayne; Golden Casket; Dulciana; Mars), Picacho Peak, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ Malachite

Formula: Cu2(CO3)(OH)2

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

ⓘ 'Manganese Oxides'

Localities:

Golden Alter prospect, Boulder Park, Imperial County, California, USA
Desert Bloom prospect, Thumb Peak, Palo Verde Mining District, Palo Verde Mountains, Imperial County, California, USA

ⓘ Manganite

Formula: Mn3+O(OH)

ⓘ Mascagnite

Formula: (NH4)2SO4

Localities:

F2 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA
F1 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA

ⓘ Metatorbernite

Formula: Cu(UO2)2(PO4)2 · 8H2O

Description: Occurs as a fracture filling and is disseminated in country rock with quartz and Fe-oxides.

ⓘ 'Mica Group'

Description: Occurs as crystals.

ⓘ Microcline

Formula: K(AlSi3O8)

ⓘ Minium

Formula: Pb3O4

ⓘ Mirabilite

Formula: Na2SO4 · 10H2O

Localities:

Bertram Mine (Bertram Siding Sulfate deposit; Bertram Sodium Sulphate deposits), Bertram siding, Bertram, Imperial County, California, USA
F2 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA

~~Pope siding, Bertram, Imperial County, California, USA~~

(more information)

Description: Some is present.

ⓘ Montmorillonite

Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O

ⓘ Morenosite

Formula: NiSO4 · 7H2O

ⓘ Mottramite

Formula: PbCu(VO4)(OH)

Localities:

American Boy Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Little Bear Mine, Big Bear and Little Bear Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
American Girl Mine (Cargo Mine; Cargo Muchacho Mine), American Girl project, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Mottramite var. Duhamelite

Formula: (Pb,Bi,Ca)Cu(VO4)(OH,O)

ⓘ Muscovite

Formula: KAl2(AlSi3O10)(OH)2

Localities: Reported from at least 12 localities in this region.

ⓘ Muscovite var. Mariposite

Formula: K(Al,Cr)2(Al,Si)4O10(OH)2

ⓘ Muscovite var. Phengite

Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2

ⓘ Muscovite var. Sericite

Formula: KAl2(AlSi3O10)(OH)2

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

Description: Relatively pure muscovite, var. sericite.

ⓘ Natrojarosite

Formula: NaFe3(SO4)2(OH)6

ⓘ Népouite

Formula: Ni3Si2O5(OH)4

ⓘ Nesquehonite

Formula: MgCO3 · 3H2O

ⓘ Niter

Formula: KNO3

Description: Trace amounts observed.

ⓘ Nitratine

Formula: NaNO3

Localities:

Davis–Schrimpf Fumarole Field (Mud Volcanoes area; Mud Pots area), Niland, Imperial County, California, USA
Sulfur Hill, F2 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA

ⓘ Northupite

Formula: Na3Mg(CO3)2Cl

ⓘ 'Ochre'

ⓘ Opal

Formula: SiO2 · nH2O

ⓘ Opal var. Opal-Agate

Formula: SiO2 · nH2O

ⓘ Orthoclase

Formula: K(AlSi3O8)

ⓘ Pentahydrite

Formula: MgSO4 · 5H2O

ⓘ Perite

Formula: PbBiClO2

Localities:

Guadalupe Mine (Guadaloupe Mine), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
American Boy Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Pickeringite

Formula: MgAl2(SO4)4 · 22H2O

ⓘ 'Plagioclase'

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

Localities:

Picacho Mine (Picacho Gold Mine; Goshen; Helen May; Tierra Rica; Mina Rica; St. George; California Gold King; Picacho Basin; Golden Rule; Venus; Jayne; Golden Casket; Dulciana; Mars), Picacho Peak, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA
California route 111 mound springs, Wister, Imperial County, California, USA

ⓘ Polyhalite

Formula: K2Ca2Mg(SO4)4 · 2H2O

ⓘ 'Polylithionite-Trilithionite Series'

ⓘ Pottsite

Formula: (Pb3xBi4-2x)(VO4)4 · H2O (0.8 < x < 1.0)

ⓘ Prehnite

Formula: Ca2Al2Si3O10(OH)2

References:

Bird, D.K., Schiffman, P., Elders, W.A., Williams, A.E., McDowell, S.D. (1984) Calc-silicate mineralization in active geothermal systems. Economic Geology 79:4, 671-695.

ⓘ 'Psilomelane'

Localities:

Chocolate Drop group (Chocolate Drop claim; Black Queen claim; Black Jack claim; Big Bear claim; War Eagle; Black Point; Dixie Queen; Alaskan; McKinney; Tadpole; Big Bear; Chipmunk; Chipmunk and Laskin; Ebony Group; Chocolate Drop Mine), Thumb Peak, Palo Verde Mining District, Palo Verde Mountains, Imperial County, California, USA
Chocolate Mountains, Imperial County, California, USA
Unspecified Mn occurrence [1], Tadpole Tank, Palo Verde Mountains, Imperial County, California, USA
Black Widow Mine (Black Angus Mine; Angus No. 2), Thumb Peak, Palo Verde Mining District, Palo Verde Mountains, Imperial County, California, USA
Lugo Mine (American No. 3; Palo Verde Mine; Lost Donkey Mine; Jack Ass Mine; McIntyre Manganese deposit; McIntyre-Lugo), Palo Verde Peak, Palo Verde Mining District, Palo Verde Mountains, Imperial County, California, USA

ⓘ Pyrite

Formula: FeS2

Localities: Reported from at least 12 localities in this region.

ⓘ Pyrolusite

Formula: Mn4+O2

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

ⓘ Pyrophyllite

Formula: Al2Si4O10(OH)2

Localities:

Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Bluebird Kyanite Mine (Vitrefrax Corporation property; Vitrefrax Mine; Bluebird Hill Kyanite deposit; Drifted Snow; Foster Bluebird Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Crown Uranium prospect (Crown Uranium group; Tenn-Cal claims; Tenn-Cal group), Glamis, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Ogilby, Imperial County, California, USA

ⓘ Pyrrhotite

Formula: Fe1-xS

ⓘ Quartz

Formula: SiO2

Localities: Reported from at least 54 localities in this region.

ⓘ Quartz var. Agate

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

ⓘ Quartz var. Agate-Jasper

Formula: SiO2

ⓘ Quartz var. Amethyst

Formula: SiO2

ⓘ Quartz var. Chalcedony

Formula: SiO2

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

ⓘ Quartz var. Moss Agate

Formula: SiO2

Formula: SiO2

Formula: Mn4+O2

Formula: As4S4

Formula: K3Na[FeCl6]

Description: May be

saltonseaite

ⓘ Romanèchite

Formula: (Ba,H2O)2(Mn4+,Mn3+)5O10

ⓘ Rutile

Formula: TiO2

Localities:

ⓘ Salammoniac

Formula: NH4Cl

Localities:

Davis–Schrimpf Fumarole Field (Mud Volcanoes area; Mud Pots area), Niland, Imperial County, California, USA
F2 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA
F1 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA

Description: Occurs as crusts in fissures near the mud volcanoes.

ⓘ Saltonseaite (TL)

Formula: K3NaMnCl6

Type Locality:

References:

Kampf, A. R., Mills, S. J., Nestola, F., Ciriotti, M. E., Kasatkin, A. V. (2013) Saltonseaite, K3NaMn2+Cl6, the Mn analogue of rinneite from the Salton Sea, California. American Mineralogist, 98 (1) 231-235 doi:10.2138/am.2013.4214

ⓘ Scheelite

Formula: Ca(WO4)

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

ⓘ Schorl

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

Localities:

Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Coyote Mountains, Imperial County, California, USA
Drifted Snow Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Scorodite

Formula: Fe3+AsO4 · 2H2O

ⓘ Scorzalite

Formula: Fe2+Al2(PO4)2(OH)2

Localities:

ⓘ 'Serpentine Subgroup'

Formula: D3[Si2O5](OH)4

ⓘ Siderite

Formula: FeCO3

Description: Occurs in quartz.

ⓘ 'Silica'

Localities:

Chocolate Mountains Silica Company (Chocolate Mtns Silica Co), Amos, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Fish Mountain Silica deposit (Fish Mtn Silica deposit), Fish Creek Mountains, Imperial County, California, USA
Shell Group Placer Mine, Plaster City, Imperial County, California, USA

ⓘ Silver

Formula: Ag

Localities:

American Girl Mine (Cargo Mine; Cargo Muchacho Mine), American Girl project, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Mary Lode Mine, Mount Barrow, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
Brown vein, American Girl Mine (Cargo Mine; Cargo Muchacho Mine), American Girl project, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Picacho Mine (Picacho Gold Mine; Goshen; Helen May; Tierra Rica; Mina Rica; St. George; California Gold King; Picacho Basin; Golden Rule; Venus; Jayne; Golden Casket; Dulciana; Mars), Picacho Peak, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ Sphalerite

Formula: ZnS

Localities:

Paymaster Mine (Paymaster group; Complex Minerals; President claim; Flagpole group; Hazel claim; Emilia), Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
Southern Star groups, Boulder Park, Imperial County, California, USA
American Girl Mine (Cargo Mine; Cargo Muchacho Mine), American Girl project, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Salton Sea Scientific Drilling project well, Salton Sea, Imperial County, California, USA
Little Bear Mine, Big Bear and Little Bear Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Starkeyite

Formula: MgSO4 · 4H2O

ⓘ Staurolite

Formula: Fe2+2Al9Si4O23(OH)

ⓘ Stromeyerite

Formula: AgCuS

ⓘ Strontianite

Formula: SrCO3

ⓘ Sulphur

Formula: S8

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

Description: Occurs as rims of solfataric vents.

ⓘ Svanbergite

Formula: SrAl3(PO4)(SO4)(OH)6

Localities:

ⓘ Sylvite

Formula: KCl

ⓘ Tamarugite

Formula: NaAl(SO4)2 · 6H2O

ⓘ Tangeite

Formula: CaCu(VO4)(OH)

ⓘ Tenorite

Formula: CuO

Localities:

Coffee Pot Mine (Coffee Pot prospect; Coffee; Coffey), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Picacho Copper Mine (Picacho Mine; Picacho Glance; Copper Glance Mine; Copper King Mine), Picacho, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu6(Cu4C2+2)Sb4S12S

ⓘ Thénardite

Formula: Na2SO4

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

Description: Occurs interstratified with Bloedite and clay in layers from a few inches to 6 feet (2 meters) thick.Occurs as a large deposit.

ⓘ Titanite

Formula: CaTi(SiO4)O

Localities:

Red Schist prospect, Ocotillo, Imperial County, California, USA
Salton Sea Scientific Drilling project well, Salton Sea, Imperial County, California, USA
Salton Sea, Imperial County, California, USA
Heber geothermal field, Heber, Imperial County, California, USA
Imperial County, California, USA

ⓘ Titanite var. Chromium-bearing Titanite

Formula: Ca(Ti,Cr)[SiO4](O,OH)

ⓘ Torbernite

Formula: Cu(UO2)2(PO4)2 · 12H2O

Localities:

Crown Uranium prospect (Crown Uranium group; Tenn-Cal claims; Tenn-Cal group), Glamis, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
McKnight Mine (Lucky Star Mine; Lucky Star claims), Glamis, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA

Description: Occurs with other, unspecified, U minerals.

ⓘ 'Tourmaline'

Formula: A D3G6 (T6O18)(BO3)3X3Z

Localities:

Francho Copper prospect, Black Mountain, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USA
Bluebird Kyanite Mine (Vitrefrax Corporation property; Vitrefrax Mine; Bluebird Hill Kyanite deposit; Drifted Snow; Foster Bluebird Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Unnamed S prospect [1], 4-S Ranch area, Imperial County, California, USA

ⓘ Tremolite

Formula: ◻Ca2Mg5(Si8O22)(OH)2

ⓘ Tridymite

Formula: SiO2

ⓘ Tschermigite

Formula: (NH4)Al(SO4)2 · 12H2O

Localities:

F2 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA
F1 fumarole field, Mullet Island, Salton Sea, Imperial County, California, USA

ⓘ Turquoise

Formula: CuAl6(PO4)4(OH)8 · 4H2O

Localities:

Silver Mom Mine, Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
Trail to True Friend Mine, Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA

Colour: Bluish green

Description: Occurs in pockets and nodules.

ⓘ Uranophane

Formula: Ca(UO2)2(SiO3OH)2 · 5H2O

ⓘ Vanadinite

Formula: Pb5(VO4)3Cl

Localities:

Little Bear Mine, Big Bear and Little Bear Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Guadalupe Mine (Guadaloupe Mine), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
American Boy Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA

ⓘ Vanthoffite

Formula: Na6Mg(SO4)4

ⓘ Voltaite

Formula: K2Fe2+5Fe3+3Al(SO4)12 · 18H2O

ⓘ Wairakite

Formula: Ca(Al2Si4O12) · 2H2O

References:

Bird, D.K., Schiffman, P., Elders, W.A., Williams, A.E., McDowell, S.D. (1984) Calc-silicate mineralization in active geothermal systems. Economic Geology 79:4, 671-695.

ⓘ Willemite

Formula: Zn2SiO4

Localities:

Paymaster Mine (Paymaster group; Complex Minerals; President claim; Flagpole group; Hazel claim; Emilia), Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
President Claim, Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ Wollastonite

Formula: Ca3(Si3O9)

ⓘ 'Wollastonite-1A'

Formula: CaSiO3

ⓘ Wulfenite

Formula: Pb(MoO4)

Localities:

American Boy Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Paymaster Mine (Paymaster group; Complex Minerals; President claim; Flagpole group; Hazel claim; Emilia), Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
President Claim, Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
Little Bear Mine, Big Bear and Little Bear Mine, Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
Guadalupe Mine (Guadaloupe Mine), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA