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Quijotoa Mountains, Pima County, Arizona, USAi
Regional Level Types
Quijotoa MountainsMountain Range
Pima CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
32° 6' 51'' North , 112° 8' 53'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
37831
Long-form identifier:
mindat:1:2:37831:1
GUID (UUID V4):
0


A Ag-Au gold deposit area. The range is about 15 miles long by a maximum of 5 miles wide and rises approximately 4,000 feet above sea level. Formed principally of quartz monzonite, minor sedimentary beds and thick andesite flows, stock-like masses of quartz diorite and minor dikes. Rocks are considerably affected by faulting, principally of a northwestward trend.

Mineralization is quartz veins and hematitic breccia zones that are numerous.

Total yield estimated to about $500,000 (mostly silver)(period values).

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

39 valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Albite
Formula: Na(AlSi3O8)
Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Description: Forms a later groundmass of the spessartite.
Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Anglesite
Formula: PbSO4
'Apatite'
Formula: Ca5(PO4)3A
Habit: Euhedral crystals to 10 cm long
Description: Early mineral in the contact phase.
Azurite
Formula: Cu3(CO3)2(OH)2
Description: Sparse.
Baryte
Formula: BaSO4
Description: blades form matrix for galena crystals.
Calcite
Formula: CaCO3
Localities: Reported from at least 11 localities in this region.
Habit: Scalenohedral
Description: Fine groups of large scalenohedra.
Cerussite
Formula: PbCO3
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
Chlorargyrite
Formula: AgCl
'Chlorite Group'
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Description: Small amounts present as alteration product of the mafites.
'Davidite'
Description: Occurs as dark, pitchy-lustered masses in a matrix of feldspar and titanite.
Davidite-(La)
Formula: La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
Colour: Dark brown
Description: Pitchy-lustered masses in matrix; nearly entirely metamict.
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
'Feldspar Group'
Fluorite
Formula: CaF2
Galena
Formula: PbS
Localities: Reported from at least 6 localities in this region.
Habit: cubo-octahedral
Galena var. Silver-bearing Galena
Formula: PbS with Ag
Goethite
Formula: Fe3+O(OH)
'Gummite'
Description: Occurs in a vein cutting arkose.
Gypsum
Formula: CaSO4 · 2H2O
Gypsum var. Selenite
Formula: CaSO4 · 2H2O
Hematite
Formula: Fe2O3
Localities: Reported from at least 11 localities in this region.
Ilmenite
Formula: Fe2+TiO3
Jarosite
Formula: KFe3+3(SO4)2(OH)6
'Limonite'
Litharge
Formula: PbO
Magnetite
Formula: Fe2+Fe3+2O4
Malachite
Formula: Cu2(CO3)(OH)2
Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Microcline ?
Formula: K(AlSi3O8)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Native Gold
Formula: Au
Localities: Reported from at least 10 localities in this region.
Orthoclase ?
Formula: K(AlSi3O8)
Description: Occurs with some late albite and quartz as a late granophyric product in the spessartite (late keratophyric stage).
Pyrite
Formula: FeS2
Localities: Reported from at least 7 localities in this region.
Quartz
Formula: SiO2
Rutile
Formula: TiO2
Description: In wallrock; partly replaced by titanite; replaces an opaque mineral that may be davidite.
'Silica'
Spessartine
Formula: Mn2+3Al2(SiO4)3
Description: Occurs as a dense green rock.
Sphalerite
Formula: ZnS
Titanite
Formula: CaTiO(SiO4)
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
Description: Occurs in a vein cutting arkose.
'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
Uraninite
Formula: UO2
Description: Traces.
Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Acanthite2.BA.35Ag2S
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
var. Silver-bearing Galena2.CD.10PbS with Ag
Pyrite2.EB.05aFeS2
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Litharge4.AC.20PbO
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Davidite-(La)4.CC.40La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Uraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Baryte7.AD.35BaSO4
Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Gypsum7.CD.40CaSO4 · 2H2O
var. Selenite7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Metatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Group 9 - Silicates
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Titanite9.AG.15CaTiO(SiO4)
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Allanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Microcline ?9.FA.30K(AlSi3O8)
Orthoclase ?9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
var. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
'Chlorite Group'-
'Davidite'-
'Feldspar Group'-
'Gummite'-
'Limonite'-
'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
'Silica'-
'Apatite'-Ca5(PO4)3A

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
H AzuriteCu3(CO3)2(OH)2
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H GoethiteFe3+O(OH)
H GypsumCaSO4 · 2H2O
H JarositeKFe33+(SO4)2(OH)6
H MalachiteCu2(CO3)(OH)2
H MetatorberniteCu(UO2)2(PO4)2 · 8H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
H Gypsum var. SeleniteCaSO4 · 2H2O
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
BBoron
B TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C CerussitePbCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O AlbiteNa(AlSi3O8)
O Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
O Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
O AnglesitePbSO4
O AzuriteCu3(CO3)2(OH)2
O BaryteBaSO4
O CalciteCaCO3
O CerussitePbCO3
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O GoethiteFe3+O(OH)
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O IlmeniteFe2+TiO3
O JarositeKFe33+(SO4)2(OH)6
O LithargePbO
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MetatorberniteCu(UO2)2(PO4)2 · 8H2O
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
O OrthoclaseK(AlSi3O8)
O QuartzSiO2
O RutileTiO2
O SpessartineMn32+Al2(SiO4)3
O TitaniteCaTiO(SiO4)
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O TourmalineAD3G6(T6O18)(BO3)3X3Z
O UraniniteUO2
O UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
O Gypsum var. SeleniteCaSO4 · 2H2O
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O ApatiteCa5(PO4)3A
FFluorine
F Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
F FluoriteCaF2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Na Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Al Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Al OrthoclaseK(AlSi3O8)
Al SpessartineMn32+Al2(SiO4)3
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si AlbiteNa(AlSi3O8)
Si Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Si Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
Si SpessartineMn32+Al2(SiO4)3
Si TitaniteCaTiO(SiO4)
Si UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
PPhosphorus
P MetatorberniteCu(UO2)2(PO4)2 · 8H2O
P TorberniteCu(UO2)2(PO4)2 · 12H2O
P ApatiteCa5(PO4)3A
SSulfur
S AcanthiteAg2S
S AnglesitePbSO4
S BaryteBaSO4
S ChalcopyriteCuFeS2
S ChalcociteCu2S
S GalenaPbS
S GypsumCaSO4 · 2H2O
S JarositeKFe33+(SO4)2(OH)6
S PyriteFeS2
S SphaleriteZnS
S Gypsum var. SeleniteCaSO4 · 2H2O
S Galena var. Silver-bearing GalenaPbS with Ag
ClChlorine
Cl ChlorargyriteAgCl
KPotassium
K JarositeKFe33+(SO4)2(OH)6
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ca Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Ca CalciteCaCO3
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca FluoriteCaF2
Ca GypsumCaSO4 · 2H2O
Ca Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Ca TitaniteCaTiO(SiO4)
Ca UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Ca Gypsum var. SeleniteCaSO4 · 2H2O
Ca ApatiteCa5(PO4)3A
TiTitanium
Ti Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti TitaniteCaTiO(SiO4)
VVanadium
V Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
CrChromium
Cr Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Fe ChalcopyriteCuFeS2
Fe Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe GoethiteFe3+O(OH)
Fe HematiteFe2O3
Fe IlmeniteFe2+TiO3
Fe JarositeKFe33+(SO4)2(OH)6
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu MalachiteCu2(CO3)(OH)2
Cu MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
ZnZinc
Zn SphaleriteZnS
YYttrium
Y Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
AgSilver
Ag AcanthiteAg2S
Ag ChlorargyriteAgCl
Ag Galena var. Silver-bearing GalenaPbS with Ag
BaBarium
Ba BaryteBaSO4
LaLanthanum
La Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
CeCerium
Ce Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
AuGold
Au Native GoldAu
PbLead
Pb AnglesitePbSO4
Pb CerussitePbCO3
Pb GalenaPbS
Pb LithargePbO
Pb Galena var. Silver-bearing GalenaPbS with Ag
UUranium
U Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
U MetatorberniteCu(UO2)2(PO4)2 · 8H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U UraniniteUO2
U UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

Localities in this Region

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