Tucson Mountains, Pima County, Arizona, USA (original) (raw)

Acanthite

Formula: Ag2S

Actinolite

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

Adamite

Formula: Zn2(AsO4)(OH)

Localities:

Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
South side of Saginaw Hill, Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Adamite var. Copper-bearing Adamite

Formula: (Zn,Cu)2AsO4OH

'Amphibole Supergroup'

Formula: A B2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

Localities:

Copper King Mine, Copper King Mine group (Milewide Mine group), Tucson Mountain District Saguaro National Park, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu prospect 119-6, Arizona Consolidated Mine group, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu prospect 149-4, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Andradite

Formula: Ca3Fe3+2(SiO4)3

Anglesite

Formula: PbSO4

Description: Supergene mineral.

Anorthite

Formula: Ca(Al2Si2O8)

Description: Actually andesine-labradorite segment of the series. As phenocrysts to 2 inches (5 cm) in intrusive & flow porphyritic rocks, locally termed 'turkey-track porphyry.'

Anorthite var. Labradorite

Formula: (Ca,Na)[Al(Al,Si)Si2O8]

Description: Actually andesine-labradorite segment of the series. As phenocrysts to 2 inches (5 cm) in intrusive & flow porphyritic rocks, locally termed 'turkey-track porphyry.'

Atacamite

Formula: Cu2(OH)3Cl

Localities:

Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
South side of Saginaw Hill, Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Azurite

Formula: Cu3(CO3)2(OH)2

Localities: Reported from at least 9 localities in this region.

Baryte

Formula: BaSO4

Localities: Reported from at least 10 localities in this region.

Beudantite

Formula: PbFe3(AsO4)(SO4)(OH)6

Localities:

Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
South side of Saginaw Hill, Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

'Bindheimite'

Formula: Pb2Sb2O6O

'Biotite'

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

References:

Bain, Wyatt M, Lecumberri-Sanchez, Pilar, Marsh, Erin E, Steele-MacInnis, Matthew (2022) Fluids and melts at the magmatic-hydrothermal transition, recorded by unidirectional solidification textures at Saginaw Hill, Arizona, USA. Economic Geology, 117 (7) 1543-1571

Bornite

Formula: Cu5FeS4

Description: Disseminated in porphyry.

Bournonite

Formula: PbCuSbS3

Braunite

Formula: Mn2+Mn3+6(SiO4)O8

Description: Occurs in piemontite in sandstone.

Brochantite

Formula: Cu4(SO4)(OH)6

Localities:

Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
South side of Saginaw Hill, Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Calcite

Formula: CaCO3

Localities: Reported from at least 42 localities in this region.

Carminite

Formula: PbFe3+2(AsO4)2(OH)2

Localities:

Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
South side of Saginaw Hill, Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Cerussite

Formula: PbCO3

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

Chalcocite

Formula: Cu2S

Localities:

Old Pueblo Mine (Quien Sabe Mine), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu prospect 101-25, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu prospects 101-6 & 101-10, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu-Pb prospect 97-13, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA ? (more information)

Chalcopyrite

Formula: CuFeS2

Localities: Reported from at least 48 localities in this region.

Chlorargyrite

Formula: AgCl

Localities:

Old Mission Mine (Old Bat Mine), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Snyder Hill Mine (Snyder Hill prospect), Snyder Hill, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

'Chlorite Group'

Localities: Reported from at least 17 localities in this region.

Chrysocolla

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

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

'Clay minerals'

Localities:

Saginaw Mine, Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Grabe Brick Co. property, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

'Copper Stain'

Localities: Reported from at least 121 localities in this region.

Cornetite

Formula: Cu3(PO4)(OH)3

Localities:

Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
South side of Saginaw Hill, Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

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

Localities:

Papago Queen Mine (Saginaw Hill Mine; Gold Hill Mine), Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Ivy May Mine (Arizona Tucson Mine; Arizona Tucson property; Santa Margarita Mine), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Saginaw Mine, Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu-Pb prospect 117-18, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA ? (more information)

Descloizite

Formula: PbZn(VO4)(OH)

Habit: Rare crystals to 5mm long

Colour: Brownish-orange

Diopside

Formula: CaMgSi2O6

Epidote

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

Localities: Reported from at least 27 localities in this region.

Fornacite

Formula: Pb2Cu(CrO4)(AsO4)(OH)

Localities:

Old Yuma Mine (Yuma Mine), Tucson Mountain District Saguaro National Park, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Gila Monster Mine, Jaynes, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Description: Occurs on hematite and quartz.

Galena

Formula: PbS

Localities: Reported from at least 31 localities in this region.

'Garnet Group'

Formula: X3Z2(SiO4)3

Localities: Reported from at least 13 localities in this region.

Goethite

Formula: α-Fe3+O(OH)

Localities:

Unnamed Cu prospect 120-14, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu prospect 120-13, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Gold

Formula: Au

Description: Occurs on limonite that is pseudomorphic after magnetite.

Gypsum

Formula: CaSO4 · 2H2O

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

Hematite

Formula: Fe2O3

Localities: Reported from at least 40 localities in this region.

Hematite var. Specularite

Formula: Fe2O3

Localities: Reported from at least 31 localities in this region.

Hemimorphite

Formula: Zn4Si2O7(OH)2 · H2O

Description: Botryoidal crusts.

'Jasper'

Kaolinite

Formula: Al2(Si2O5)(OH)4

Localities:

Unnamed Cu prospect 101-25, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

'K Feldspar' ?

Libethenite

Formula: Cu2(PO4)(OH)

Localities:

Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
South side of Saginaw Hill, Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Colour: Pale green

Description: Occurs coating fractures in chert; as greasy masses around cornetite crystals.

'Limonite'

Localities: Reported from at least 124 localities in this region.

Maghemite

Formula: (Fe3+0.67◻0.33)Fe3+2O4

Description: Occurs as a thin, brownish surface as an alteration product on magnetite pebbles and boulders.

Magnetite

Formula: Fe2+Fe3+2O4

Localities: Reported from at least 17 localities in this region.

Description: Rounded, transported blocks, some pitted like meteorites.

Malachite

Formula: Cu2(CO3)(OH)2

Localities: Reported from at least 78 localities in this region.

'Manganese Oxides'

'Manganese Oxides var. Manganese Dendrites'

Minium

Formula: Pb3O4

Montmorillonite

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

References:

Bain, Wyatt M, Lecumberri-Sanchez, Pilar, Marsh, Erin E, Steele-MacInnis, Matthew (2022) Fluids and melts at the magmatic-hydrothermal transition, recorded by unidirectional solidification textures at Saginaw Hill, Arizona, USA. Economic Geology, 117 (7) 1543-1571

Mottramite

Formula: PbCu(VO4)(OH)

Muscovite

Formula: KAl2(AlSi3O10)(OH)2

Localities: Reported from at least 17 localities in this region.

Muscovite var. Sericite

Formula: KAl2(AlSi3O10)(OH)2

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

Opal

Formula: SiO2 · nH2O

Opal var. Opal-AN

Formula: SiO2 · nH2O

Orthoclase

Formula: K(AlSi3O8)

References:

Bain, Wyatt M, Lecumberri-Sanchez, Pilar, Marsh, Erin E, Steele-MacInnis, Matthew (2022) Fluids and melts at the magmatic-hydrothermal transition, recorded by unidirectional solidification textures at Saginaw Hill, Arizona, USA. Economic Geology, 117 (7) 1543-1571

Piemontite

Formula: (CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)

'Plagioclase'

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

References:

Bain, Wyatt M, Lecumberri-Sanchez, Pilar, Marsh, Erin E, Steele-MacInnis, Matthew (2022) Fluids and melts at the magmatic-hydrothermal transition, recorded by unidirectional solidification textures at Saginaw Hill, Arizona, USA. Economic Geology, 117 (7) 1543-1571

Plattnerite

Formula: PbO2

Habit: Tiny

Description: Crystals on vanadinite.

Pseudomalachite

Formula: Cu5(PO4)2(OH)4

Localities:

Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
South side of Saginaw Hill, Amole Mine group, Saginaw Hill (Saginaw property), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Pyrite

Formula: FeS2

Localities: Reported from at least 41 localities in this region.

Pyrolusite

Formula: Mn4+O2

Description: Occurs in quartz.

Pyrrhotite

Formula: Fe1-xS

Localities:

Busterville Mine, Avra, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu prospect 101-18, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu prospect 101-24, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu prospects 101-34 & 101-35, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu prospects 101-6 & 101-10, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Description: As blebs in sphalerite.

Quartz

Formula: SiO2

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

Quartz var. Agate

Localities:

Sentinel Peak area ('A' Mountain area), Tucson, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Northern Tucson Mountains Agate deposit, Tucson Mountains, Pima County, Arizona, USA

Colour: Blue & white

Description: Occurs in abundant geodes in basalt flows.

Quartz var. Chalcedony

Formula: SiO2

Localities:

Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu prospect 101-12, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Northern Tucson Mountains Agate deposit, Tucson Mountains, Pima County, Arizona, USA
Sentinel Peak area ('A' Mountain area), Tucson, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Description: Occurs in cavities in basalt.

Quartz var. Rock Crystal

Formula: SiO2

Description: Occurs in geodes in basalt flows.

Scorodite ?

Formula: Fe3+AsO4 · 2H2O

Siderite

Formula: FeCO3

Localities:

Old Mission Mine (Old Bat Mine), Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Dakota shaft, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Description: Manganiferous.

Smithsonite

Formula: ZnCO3

Localities:

Gila Monster Mine, Jaynes, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Thunderbird Mine, Avra, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Sphalerite

Formula: ZnS

Localities: Reported from at least 13 localities in this region.

'Stetefeldtite'

Formula: Ag2Sb2(O,OH)7

Stibnite

Formula: Sb2S3

Tenorite

Formula: CuO

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

'Tetrahedrite Subgroup'

Formula: Cu6(Cu4C2+2)Sb4S12S

Localities:

Busterville Mine, Avra, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Old Yuma Mine (Yuma Mine), Tucson Mountain District Saguaro National Park, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Tucson Mountains, Pima County, Arizona, USA

Thénardite

Formula: Na2SO4

Description: Ephemeral thin, spotty crusts on andesitic volcanic rocks.

Uranophane

Formula: Ca(UO2)2(SiO3OH)2 · 5H2O

Vanadinite

Formula: Pb5(VO4)3Cl

Description: Exceptionally beautiful specimens and as pseudomorphs after wulfenite.

Vermiculite

Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O

Description: Occurs in rocks metamorphosed by igneous intrusions.

Vesuvianite

Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9

Description: Occurs in contact metamorphic rocks.

Willemite

Formula: Zn2SiO4

Localities:

Old Yuma Mine (Yuma Mine), Tucson Mountain District Saguaro National Park, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Gila Monster Mine, Jaynes, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed prospect, Jaynes, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Wulfenite

Formula: Pb(MoO4)

Localities:

Old Yuma Mine (Yuma Mine), Tucson Mountain District Saguaro National Park, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Gila Monster Mine, Jaynes, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Cu-Mo-Pb prospect 95-17, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Unnamed Pb-Mo prospect 95-18, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA

Habit: Tabular; crystal groups

Colour: Deep orange-red