Vote for your favorite mineral in #MinCup26! - Arsenuranylite vs. Talc
It's a pair of soft and lovely minerals as Stichtite and Talc compete for your votes.
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Chalcocite from
Big Mike Mine, Tobin and Sonoma Range Mining District, Pershing County, Nevada, USA


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Big Mike Mine, Tobin and Sonoma Range Mining District, Pershing County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:1989381
Long-form Identifier:1:3:1989381:9
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
22.2km (13.8 miles) ⓘVet Claims, Gold Run Mining District, Humboldt County, Nevada, USA
22.4km (13.9 miles) ⓘSon No. 6 Claim, Gold Run Mining District, Humboldt County, Nevada, USA
22.6km (14.1 miles) ⓘBVL Claims (NBMG Sample Site 2315), Iron Hat Mining District, Pershing County, Nevada, USA
27.0km (16.8 miles) ⓘBuffalo Valley Gold Mine, Buffalo Valley mine, Buffalo Valley Mining District, Lander County, Nevada, USA
30.0km (18.6 miles) ⓘAdelaide Crown Mines, Gold Run Mining District, Humboldt County, Nevada, USA
31.1km (19.4 miles) ⓘFour Sisters Mine, Sierra Mining District, East Range, Pershing County, Nevada, USA
32.8km (20.4 miles) ⓘImperial mine, Kennedy Mining District, Pershing County, Nevada, USA
34.6km (21.5 miles) ⓘReona Pit, Battle Mountain Mining District, Lander County, Nevada, USA
35.5km (22.0 miles) ⓘPhoenix Mine, Battle Mountain Mining District, Lander County, Nevada, USA
35.6km (22.1 miles) ⓘCopper Canyon Camp, Battle Mountain Mining District, Lander County, Nevada, USA
References
DeMatties, Theodore (2026) Overview of the Monarch Ranch Serpentinite-Listwanite Occurrence, central Nevada, USA: Implications for the late Paleozoic Havallah Ophiolite’s stratigraphic framework and economic mineral potential. Ore Geology Reviews, 197. p.107492. doi:10.1016/j.oregeorev.2026.107492
 
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