Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Estrella Mountains, Maricopa County, Arizona, USAi
Regional Level Types
Estrella MountainsMountain Range
Maricopa CountyCounty
ArizonaState
USACountry

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Latitude & Longitude:
33° North , 112° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~136km
Mindat Locality ID:
47575
Long-form identifier:
mindat:1:2:47575:7
GUID (UUID V4):
0


‡Ref.: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 104; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 101; Melchiorre (1993), AZ Dept. Mines & Min. Resources OFR93-12.

Located SW of Phoenix.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

15 valid minerals.

Detailed Mineral List:

Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Description: Occurs in a very coarse granite as phenocrysts to 1 x .25 inches.
Beryl
Formula: Be3Al2(Si6O18)
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Diopside
Formula: CaMgSi2O6
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Forsterite
Formula: Mg2SiO4
'Garnet Group'
Formula: X3Z2(SiO4)3
Hematite
Formula: Fe2O3
Ilmenite
Formula: Fe2+TiO3
Magnetite
Formula: Fe2+Fe3+2O4
Quartz
Formula: SiO2
Sillimanite
Formula: Al2(SiO4)O
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Wollastonite
Formula: Ca3(Si3O9)
Description: Radiating, fibrous masses.
Zircon
Formula: Zr(SiO4)
Zoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Group 9 - Silicates
Forsterite9.AC.05Mg2SiO4
Zircon9.AD.30Zr(SiO4)
Sillimanite9.AF.05Al2(SiO4)O
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Allanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Zoisite9.BG.10(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Beryl9.CJ.05Be3Al2(Si6O18)
Diopside9.DA.15CaMgSi2O6
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Wollastonite9.DG.05Ca3(Si3O9)
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
H Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
H Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
OOxygen
O Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
O BerylBe3Al2(Si6O18)
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O DiopsideCaMgSi2O6
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O ForsteriteMg2SiO4
O HematiteFe2O3
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O QuartzSiO2
O SillimaniteAl2(SiO4)O
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
O WollastoniteCa3(Si3O9)
O ZirconZr(SiO4)
O Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
O Garnet GroupX3Z2(SiO4)3
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg ForsteriteMg2SiO4
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Al Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Al BerylBe3Al2(Si6O18)
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al SillimaniteAl2(SiO4)O
Al Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
SiSilicon
Si Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Si BerylBe3Al2(Si6O18)
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si DiopsideCaMgSi2O6
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si ForsteriteMg2SiO4
Si QuartzSiO2
Si SillimaniteAl2(SiO4)O
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
Si WollastoniteCa3(Si3O9)
Si ZirconZr(SiO4)
Si Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Si Garnet GroupX3Z2(SiO4)3
CaCalcium
Ca Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ca DiopsideCaMgSi2O6
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
Ca WollastoniteCa3(Si3O9)
Ca Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
TiTitanium
Ti IlmeniteFe2+TiO3
FeIron
Fe Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe HematiteFe2O3
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
CuCopper
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ZrZirconium
Zr ZirconZr(SiO4)
CeCerium
Ce Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)

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