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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Key West Mine, Whitney Pocket Basin, Bunkerville Mining District, Virgin Mountains, Clark County, Nevada, USAi
Regional Level Types
Key West MineMine
Whitney Pocket BasinBasin
Bunkerville Mining DistrictMining District
Virgin MountainsMountain Range
Clark CountyCounty
NevadaState
USACountry

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Latitude & Longitude (WGS84):
36° 37' 6'' North , 114° 9' 55'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Bunkerville1,303 (2011)17.5km
Mesquite17,496 (2017)22.5km
Scenic1,643 (2017)23.7km
Moapa Valley6,924 (2011)27.5km
Littlefield308 (2011)36.5km
Mindat Locality ID:
3916
Long-form identifier:
mindat:1:2:3916:4
GUID (UUID V4):
0


A Ni-Cu-Co-Pt-Au deposit/mine located in the northern Virgin Mountains.

Ores are associated with hornblenditic intrusions.
Structure: Key West Thrust A Fault Lies At A Depth Of 450 Ft At Key West, Numerous Small Faults

Alteration: Peridotite Altered To Hornblende And Biotite

Tectonics: Basin And Range

Commodity: Molybdenite reported but not confirmed. Pge and Au generally heterogeneously distributed within host minerals, but ru and os substitute for Fe

Deposit: Discovery year: late 1890's the deposits probably are late magmatic differentiates remobilized by hydrothermal processes. Attitude is of host dike; unpublished model name: magmatic segregation.

Development: A mill was construted in 1928 at a cost of $120,000 and was used from 1928-1929 but was abandoned due to poor design.

Geology: Host rock has been amphibolitized and multiply deformed. It is associated with granitic pegmatite, both of which are embedded in a mylonitic gneiss terrane of metasedimentary and intrusive origin. (bo W and loucks)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


30 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Azurite
Formula: Cu3(CO3)2(OH)2
Brochantite
Formula: Cu4(SO4)(OH)6
Chalcanthite
Formula: CuSO4 · 5H2O
Chalcopyrite
Formula: CuFeS2
Chromite
Formula: Fe2+Cr3+2O4
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuprite
Formula: Cu2O
Erythrite
Formula: Co3(AsO4)2 · 8H2O
'Fayalite-Forsterite Series'
'Garnierite'
Glaukosphaerite
Formula: (Cu,Ni)2(CO3)(OH)2
Godlevskite ?
Formula: (Ni,Fe)9S8
Heterogenite
Formula: Co3+O(OH)
'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'Hypersthene'
Formula: (Mg,Fe)SiO3
Kotulskite
Formula: Pd(Te,Bi)2-x (x ≈ 0.4)
'Limonite'
Magnetite
Formula: Fe2+Fe3+2O4
Malachite
Formula: Cu2(CO3)(OH)2
Merenskyite
Formula: PdTe2
Michenerite
Formula: PdBiTe
Microcline
Formula: K(AlSi3O8)
Millerite
Formula: NiS
Molybdenite
Formula: MoS2
Moncheite
Formula: Pt(Te,Bi)2
Native Palladium
Formula: (Pd,Pt)
Pentlandite
Formula: (NixFey)Σ9S8
Polydymite
Formula: Ni2+Ni3+2S4
Pyrite
Formula: FeS2
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
Sperrylite
Formula: PtAs2
Sphalerite
Formula: ZnS
Talc
Formula: Mg3Si4O10(OH)2
Violarite
Formula: Fe2+Ni3+2S4

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Palladium1.AF.10(Pd,Pt)
Group 2 - Sulphides and Sulfosalts
Godlevskite ?2.BB.15(Ni,Fe)9S8
Pentlandite2.BB.15(NixFey)Σ9S8
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Kotulskite2.CC.05Pd(Te,Bi)2-x (x ≈ 0.4)
Pyrrhotite2.CC.10Fe1-xS
Millerite2.CC.20NiS
Polydymite2.DA.05Ni2+Ni3+2S4
Violarite2.DA.05Fe2+Ni3+2S4
Merenskyite2.EA.20PdTe2
Moncheite2.EA.20Pt(Te,Bi)2
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Sperrylite2.EB.05aPtAs2
Michenerite2.EB.25PdBiTe
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Chromite4.BB.05Fe2+Cr3+2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Heterogenite4.FE.20Co3+O(OH)
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Glaukosphaerite5.BA.10(Cu,Ni)2(CO3)(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Brochantite7.BB.25Cu4(SO4)(OH)6
Chalcanthite7.CB.20CuSO4 · 5H2O
Group 8 - Phosphates, Arsenates and Vanadates
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Group 9 - Silicates
Talc9.EC.05Mg3Si4O10(OH)2
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Microcline9.FA.30K(AlSi3O8)
Unclassified
'Hypersthene'-(Mg,Fe)SiO3
'Limonite'-
'Fayalite-Forsterite Series'-
'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'Garnierite'-

List of minerals for each chemical element

HHydrogen
H AzuriteCu3(CO3)2(OH)2
H BrochantiteCu4(SO4)(OH)6
H ChalcanthiteCuSO4 · 5H2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H ErythriteCo3(AsO4)2 · 8H2O
H Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
H HeterogeniteCo3+O(OH)
H MalachiteCu2(CO3)(OH)2
H TalcMg3Si4O10(OH)2
H Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CCarbon
C AzuriteCu3(CO3)2(OH)2
C Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
C MalachiteCu2(CO3)(OH)2
OOxygen
O AzuriteCu3(CO3)2(OH)2
O BrochantiteCu4(SO4)(OH)6
O ChalcanthiteCuSO4 · 5H2O
O ChromiteFe2+Cr23+O4
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O CupriteCu2O
O ErythriteCo3(AsO4)2 · 8H2O
O Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
O HeterogeniteCo3+O(OH)
O Hypersthene(Mg,Fe)SiO3
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MicroclineK(AlSi3O8)
O QuartzSiO2
O TalcMg3Si4O10(OH)2
O Fayalite-Forsterite Series
O Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
FFluorine
F Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
MgMagnesium
Mg Hypersthene(Mg,Fe)SiO3
Mg TalcMg3Si4O10(OH)2
Mg Fayalite-Forsterite Series
AlAluminium
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al MicroclineK(AlSi3O8)
Al Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si Hypersthene(Mg,Fe)SiO3
Si MicroclineK(AlSi3O8)
Si QuartzSiO2
Si TalcMg3Si4O10(OH)2
Si Fayalite-Forsterite Series
Si Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SSulfur
S BrochantiteCu4(SO4)(OH)6
S ChalcopyriteCuFeS2
S ChalcanthiteCuSO4 · 5H2O
S Godlevskite(Ni,Fe)9S8
S MilleriteNiS
S MolybdeniteMoS2
S Pentlandite(NixFey)Σ9S8
S PolydymiteNi2+Ni23+S4
S PyriteFeS2
S PyrrhotiteFe1-xS
S SphaleriteZnS
S ViolariteFe2+Ni23+S4
ClChlorine
Cl Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
KPotassium
K MicroclineK(AlSi3O8)
CaCalcium
Ca Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChalcopyriteCuFeS2
Fe ChromiteFe2+Cr23+O4
Fe Godlevskite(Ni,Fe)9S8
Fe Hypersthene(Mg,Fe)SiO3
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(NixFey)Σ9S8
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe ViolariteFe2+Ni23+S4
Fe Fayalite-Forsterite Series
CoCobalt
Co ErythriteCo3(AsO4)2 · 8H2O
Co HeterogeniteCo3+O(OH)
NiNickel
Ni Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
Ni Godlevskite(Ni,Fe)9S8
Ni MilleriteNiS
Ni Pentlandite(NixFey)Σ9S8
Ni PolydymiteNi2+Ni23+S4
Ni ViolariteFe2+Ni23+S4
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcopyriteCuFeS2
Cu ChalcanthiteCuSO4 · 5H2O
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu CupriteCu2O
Cu Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ErythriteCo3(AsO4)2 · 8H2O
As SperrylitePtAs2
MoMolybdenum
Mo MolybdeniteMoS2
PdPalladium
Pd KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Pd MerenskyitePdTe2
Pd MicheneritePdBiTe
Pd Native Palladium(Pd,Pt)
TeTellurium
Te KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Te MerenskyitePdTe2
Te MicheneritePdBiTe
Te MoncheitePt(Te,Bi)2
PtPlatinum
Pt MoncheitePt(Te,Bi)2
Pt Native Palladium(Pd,Pt)
Pt SperrylitePtAs2
BiBismuth
Bi KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Bi MicheneritePdBiTe
Bi MoncheitePt(Te,Bi)2

Other Databases

Link to USGS MRDS:10038079

Other Regions, Features and Areas containing this locality


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