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Casa Grande Mining District, Pinal County, Arizona, USAi
Regional Level Types
Casa Grande Mining DistrictMining District
Pinal CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
32° North , 111° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~95km
Mindat Locality ID:
31268
Long-form identifier:
mindat:1:2:31268:9
GUID (UUID V4):
0


This is a gold mining area located at the western foot of the Slate Mountains, about 20 miles South of the old Casa Grande station on the railroad.

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

48 valid minerals.

Detailed Mineral List:

Anhydrite
Formula: CaSO4
Atacamite
Formula: Cu2(OH)3Cl
Description: An isolated occurrence on the 900 level in the 'brochantite zone.'
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Bornite
Formula: Cu5FeS4
Brochantite
Formula: Cu4(SO4)(OH)6
Description: Occurs on the 900 level in the 'brochantite zone.'
Calcite
Formula: CaCO3
Cerussite
Formula: PbCO3
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
Chlorargyrite
Formula: AgCl
'Chlorite Group'
Chondrodite
Formula: Mg5(SiO4)2F2
Description: Locally abundant in forsterite marble.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cinnabar
Formula: HgS
Corundum
Formula: Al2O3
Covellite
Formula: CuS
Cuprite
Formula: Cu2O
Descloizite
Formula: PbZn(VO4)(OH)
Habit: Tiny
Colour: Red
Description: Crystals coating vanadinite.
Diopside
Formula: CaMgSi2O6
Dioptase
Formula: CuSiO3 · H2O
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fornacite
Formula: Pb2Cu(CrO4)(AsO4)(OH)
Habit: Sharply formed
Forsterite
Formula: Mg2(SiO4)
Description: Locally abundant in some portions of metadolomites.
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Goethite
Formula: Fe3+O(OH)
Gypsum
Formula: CaSO4 · 2H2O
Hematite
Formula: Fe2O3
Hydrozincite
Formula: Zn5(CO3)2(OH)6
Description: Intimately associated with limonite & formed as fracture fillings.
Kaolinite
Formula: Al2(Si2O5)(OH)4
'K Feldspar'
'Limonite'
Magnetite
Formula: Fe2+Fe3+2O4
Malachite
Formula: Cu2(CO3)(OH)2
Molybdenite
Formula: MoS2
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Native Copper
Formula: Cu
Native Gold
Formula: Au
Description: Lode gold; erratically distributed in milky quartz veins.
Native Silver
Formula: Ag
Description: Occurs as flakes & thin sheets in fractures.
Nitrocalcite
Formula: Ca(NO3)2 · 4H2O
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Description: Occurs in metadolomites with chondrodite and forsterite.
Piemontite
Formula: (CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Pyrite
Formula: FeS2
Pyromorphite
Formula: Pb5(PO4)3Cl
Description: Coating fault breccia & in vugs in silicified limestone.
Quartz
Formula: SiO2
Quartz var. Milky Quartz
Formula: SiO2
Rutile
Formula: TiO2
Shattuckite
Formula: Cu5(Si2O6)2(OH)2
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Sphalerite
Formula: ZnS
Tenorite
Formula: CuO
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Vanadinite
Formula: Pb5(VO4)3Cl
Description: Occurs as coarsely crystalline masses with manganese oxides in vugs in limestone.
'Wad'
Willemite
Formula: Zn2SiO4
Fluorescence: Highly fluorescent.
Wulfenite
Formula: Pb(MoO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Copper1.AA.05Cu
Native Gold1.AA.05Au
Native Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Bornite2.BA.15Cu5FeS4
Covellite2.CA.05aCuS
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Cinnabar2.CD.15aHgS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Atacamite3.DA.10aCu2(OH)3Cl
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Cuprite4.AA.10Cu2O
Tenorite4.AB.10CuO
Magnetite4.BB.05Fe2+Fe3+2O4
Corundum4.CB.05Al2O3
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
var. Milky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Hydrozincite5.BA.15Zn5(CO3)2(OH)6
Nitrocalcite5.NC.10Ca(NO3)2 · 4H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Brochantite7.BB.25Cu4(SO4)(OH)6
Gypsum7.CD.40CaSO4 · 2H2O
Fornacite7.FC.10Pb2Cu(CrO4)(AsO4)(OH)
Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Descloizite8.BH.40PbZn(VO4)(OH)
Pyromorphite8.BN.05Pb5(PO4)3Cl
Vanadinite8.BN.05Pb5(VO4)3Cl
Group 9 - Silicates
Willemite9.AA.05Zn2SiO4
Forsterite9.AC.05Mg2(SiO4)
Chondrodite9.AF.45Mg5(SiO4)2F2
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Piemontite9.BG.05a(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Dioptase9.CJ.30CuSiO3 · H2O
Diopside9.DA.15CaMgSi2O6
Shattuckite9.DB.40Cu5(Si2O6)2(OH)2
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Limonite'-
'Wad'-
'K Feldspar'-
'Garnet Group'-X3Z2(SiO4)3
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H AtacamiteCu2(OH)3Cl
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H BrochantiteCu4(SO4)(OH)6
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H DescloizitePbZn(VO4)(OH)
H DioptaseCuSiO3 · H2O
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H FornacitePb2Cu(CrO4)(AsO4)(OH)
H GoethiteFe3+O(OH)
H GypsumCaSO4 · 2H2O
H HydrozinciteZn5(CO3)2(OH)6
H KaoliniteAl2(Si2O5)(OH)4
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H NitrocalciteCa(NO3)2 · 4H2O
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
H ShattuckiteCu5(Si2O6)2(OH)2
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
CCarbon
C CalciteCaCO3
C CerussitePbCO3
C HydrozinciteZn5(CO3)2(OH)6
C MalachiteCu2(CO3)(OH)2
NNitrogen
N NitrocalciteCa(NO3)2 · 4H2O
OOxygen
O AnhydriteCaSO4
O AtacamiteCu2(OH)3Cl
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BrochantiteCu4(SO4)(OH)6
O CalciteCaCO3
O CerussitePbCO3
O ChondroditeMg5(SiO4)2F2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O CorundumAl2O3
O CupriteCu2O
O DescloizitePbZn(VO4)(OH)
O DiopsideCaMgSi2O6
O DioptaseCuSiO3 · H2O
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O FornacitePb2Cu(CrO4)(AsO4)(OH)
O ForsteriteMg2(SiO4)
O GoethiteFe3+O(OH)
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O HydrozinciteZn5(CO3)2(OH)6
O KaoliniteAl2(Si2O5)(OH)4
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O NitrocalciteCa(NO3)2 · 4H2O
O PhlogopiteKMg3(AlSi3O10)(OH)2
O Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
O RutileTiO2
O ShattuckiteCu5(Si2O6)2(OH)2
O TenoriteCuO
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
O VanadinitePb5(VO4)3Cl
O WillemiteZn2SiO4
O WulfenitePb(MoO4)
O Quartz var. Milky QuartzSiO2
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Garnet GroupX3Z2(SiO4)3
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F ChondroditeMg5(SiO4)2F2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg ChondroditeMg5(SiO4)2F2
Mg DiopsideCaMgSi2O6
Mg ForsteriteMg2(SiO4)
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al CorundumAl2O3
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al KaoliniteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si ChondroditeMg5(SiO4)2F2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si DiopsideCaMgSi2O6
Si DioptaseCuSiO3 · H2O
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si ForsteriteMg2(SiO4)
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Si QuartzSiO2
Si ShattuckiteCu5(Si2O6)2(OH)2
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
Si WillemiteZn2SiO4
Si Quartz var. Milky QuartzSiO2
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Garnet GroupX3Z2(SiO4)3
PPhosphorus
P PyromorphitePb5(PO4)3Cl
SSulfur
S AnhydriteCaSO4
S BorniteCu5FeS4
S BrochantiteCu4(SO4)(OH)6
S ChalcopyriteCuFeS2
S ChalcociteCu2S
S CinnabarHgS
S CovelliteCuS
S GalenaPbS
S GypsumCaSO4 · 2H2O
S MolybdeniteMoS2
S PyriteFeS2
S SphaleriteZnS
ClChlorine
Cl AtacamiteCu2(OH)3Cl
Cl ChlorargyriteAgCl
Cl PyromorphitePb5(PO4)3Cl
Cl VanadinitePb5(VO4)3Cl
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AnhydriteCaSO4
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca GypsumCaSO4 · 2H2O
Ca NitrocalciteCa(NO3)2 · 4H2O
Ca Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti RutileTiO2
VVanadium
V DescloizitePbZn(VO4)(OH)
V VanadinitePb5(VO4)3Cl
CrChromium
Cr FornacitePb2Cu(CrO4)(AsO4)(OH)
MnManganese
Mn Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe GoethiteFe3+O(OH)
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
CuCopper
Cu AtacamiteCu2(OH)3Cl
Cu BorniteCu5FeS4
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu CovelliteCuS
Cu CupriteCu2O
Cu Native CopperCu
Cu DioptaseCuSiO3 · H2O
Cu FornacitePb2Cu(CrO4)(AsO4)(OH)
Cu MalachiteCu2(CO3)(OH)2
Cu ShattuckiteCu5(Si2O6)2(OH)2
Cu TenoriteCuO
ZnZinc
Zn DescloizitePbZn(VO4)(OH)
Zn HydrozinciteZn5(CO3)2(OH)6
Zn SphaleriteZnS
Zn WillemiteZn2SiO4
AsArsenic
As FornacitePb2Cu(CrO4)(AsO4)(OH)
MoMolybdenum
Mo MolybdeniteMoS2
Mo WulfenitePb(MoO4)
AgSilver
Ag ChlorargyriteAgCl
Ag Native SilverAg
AuGold
Au Native GoldAu
HgMercury
Hg CinnabarHgS
PbLead
Pb CerussitePbCO3
Pb DescloizitePbZn(VO4)(OH)
Pb FornacitePb2Cu(CrO4)(AsO4)(OH)
Pb GalenaPbS
Pb PyromorphitePb5(PO4)3Cl
Pb VanadinitePb5(VO4)3Cl
Pb WulfenitePb(MoO4)

Localities in this Region

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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