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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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Saginaw Hill, Amole Mining District, Tucson Mountains, Pima County, Arizona, USAi
Regional Level Types
Saginaw HillHill
Amole Mining DistrictMining District
Tucson MountainsMountain Range
Pima CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
32° 8' 26'' North , 111° 4' 36'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Valencia West9,355 (2011)3.6km
Drexel Heights27,749 (2011)4.6km
Tucson Estates12,192 (2011)5.4km
South Tucson5,715 (2017)12.1km
Summit5,372 (2011)14.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Old Pueblo Lapidary ClubTucson, Arizona17km
Tucson Gem and Mineral SocietyTucson, Arizona17km
Mindat Locality ID:
20050
Long-form identifier:
mindat:1:2:20050:6
GUID (UUID V4):
0
Other/historical names associated with this locality:
Saginaw property


A locality about 7 miles SW of center city Tucson. A small, porphyry Cu system.

Field observations: The area on the smaller north hills is now substantially fenced in as a hazardous waste site. This area includes the slag heap from the on-site smelter and most of the area with acid leaching residue in evidence. The area of the shafts remains accessible; however, most of the dumps have been bulldozed to only a thin veneer of small scraps of ore-related rock. The larger south hill remains accessible but is under active claim (2007).

Saginaw Hill is a composite pluton composed primarily of the Saginaw Hill quartz latite porphyry and the Saginaw mine quartz monzonite porphyry.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

21 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Adamite
Formula: Zn2(AsO4)(OH)
Adamite var. Copper-bearing Adamite
Formula: (Zn,Cu)2AsO4OH
Atacamite
Formula: Cu2(OH)3Cl
Beudantite
Formula: PbFe3+3(AsO4)(SO4)(OH)6
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Brochantite
Formula: Cu4(SO4)(OH)6
Carminite
Formula: PbFe3+2(AsO4)2(OH)2
Chalcopyrite
Formula: CuFeS2
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
'Clay minerals'
Cornetite
Formula: Cu3(PO4)(OH)3
Colour: Light peacock-blue; deep blue, deep greenish-blue
Description: Well-crystallized, fine-grained, soft clusters plastering fracture surfaces in chert or chert gangue; as clear crystal aggregates & darker crystalline clots.
Cuprite
Formula: Cu2O
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Kaolinite
Formula: Al2(Si2O5)(OH)4
Libethenite
Formula: Cu2(PO4)(OH)
'Limonite'
Malachite
Formula: Cu2(CO3)(OH)2
'Manganese Oxides'
'Manganese Oxides var. Manganese Dendrites'
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Orthoclase
Formula: K(AlSi3O8)
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Pseudomalachite
Formula: Cu5(PO4)2(OH)4
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 3 - Halides
Atacamite3.DA.10aCu2(OH)3Cl
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Brochantite7.BB.25Cu4(SO4)(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
Adamite8.BB.30Zn2(AsO4)(OH)
var. Copper-bearing Adamite8.BB.30(Zn,Cu)2AsO4OH
Libethenite8.BB.30Cu2(PO4)(OH)
Pseudomalachite8.BD.05Cu5(PO4)2(OH)4
Cornetite8.BE.15Cu3(PO4)(OH)3
Carminite8.BH.30PbFe3+2(AsO4)2(OH)2
Beudantite8.BL.05PbFe3+3(AsO4)(SO4)(OH)6
Group 9 - Silicates
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Orthoclase9.FA.30K(AlSi3O8)
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Clay minerals'-
'Limonite'-
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Garnet Group'-X3Z2(SiO4)3
'Manganese Oxides
var. Manganese Dendrites'
-
''-

List of minerals for each chemical element

HHydrogen
H AdamiteZn2(AsO4)(OH)
H AtacamiteCu2(OH)3Cl
H BeudantitePbFe33+(AsO4)(SO4)(OH)6
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H BrochantiteCu4(SO4)(OH)6
H CarminitePbFe23+(AsO4)2(OH)2
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H CornetiteCu3(PO4)(OH)3
H Adamite var. Copper-bearing Adamite(Zn,Cu)2AsO4OH
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H KaoliniteAl2(Si2O5)(OH)4
H LibetheniteCu2(PO4)(OH)
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H PseudomalachiteCu5(PO4)2(OH)4
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O AdamiteZn2(AsO4)(OH)
O AtacamiteCu2(OH)3Cl
O BeudantitePbFe33+(AsO4)(SO4)(OH)6
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BrochantiteCu4(SO4)(OH)6
O CarminitePbFe23+(AsO4)2(OH)2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O CornetiteCu3(PO4)(OH)3
O CupriteCu2O
O Adamite var. Copper-bearing Adamite(Zn,Cu)2AsO4OH
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O KaoliniteAl2(Si2O5)(OH)4
O LibetheniteCu2(PO4)(OH)
O MalachiteCu2(CO3)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O OrthoclaseK(AlSi3O8)
O PseudomalachiteCu5(PO4)2(OH)4
O QuartzSiO2
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Garnet GroupX3Z2(SiO4)3
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
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 Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al KaoliniteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al OrthoclaseK(AlSi3O8)
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Garnet GroupX3Z2(SiO4)3
PPhosphorus
P CornetiteCu3(PO4)(OH)3
P LibetheniteCu2(PO4)(OH)
P PseudomalachiteCu5(PO4)2(OH)4
SSulfur
S BeudantitePbFe33+(AsO4)(SO4)(OH)6
S BrochantiteCu4(SO4)(OH)6
S ChalcopyriteCuFeS2
S GalenaPbS
S PyriteFeS2
S SphaleriteZnS
ClChlorine
Cl AtacamiteCu2(OH)3Cl
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Fe BeudantitePbFe33+(AsO4)(SO4)(OH)6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe CarminitePbFe23+(AsO4)2(OH)2
Fe ChalcopyriteCuFeS2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe PyriteFeS2
CuCopper
Cu AtacamiteCu2(OH)3Cl
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcopyriteCuFeS2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu CornetiteCu3(PO4)(OH)3
Cu CupriteCu2O
Cu Adamite var. Copper-bearing Adamite(Zn,Cu)2AsO4OH
Cu LibetheniteCu2(PO4)(OH)
Cu MalachiteCu2(CO3)(OH)2
Cu PseudomalachiteCu5(PO4)2(OH)4
ZnZinc
Zn AdamiteZn2(AsO4)(OH)
Zn Adamite var. Copper-bearing Adamite(Zn,Cu)2AsO4OH
Zn SphaleriteZnS
AsArsenic
As AdamiteZn2(AsO4)(OH)
As BeudantitePbFe33+(AsO4)(SO4)(OH)6
As CarminitePbFe23+(AsO4)2(OH)2
As Adamite var. Copper-bearing Adamite(Zn,Cu)2AsO4OH
PbLead
Pb BeudantitePbFe33+(AsO4)(SO4)(OH)6
Pb CarminitePbFe23+(AsO4)2(OH)2
Pb GalenaPbS

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