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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Tennantite Subgroup from
Cardigan Group, Lawson Mining District, Clear Creek County, Colorado, USA


Locality type:Mine
Classification
Species:'Tennantite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)As4S12S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tennantite Subgroup data
Locality Data:Click here to view Cardigan Group, Lawson Mining District, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:608397
Long-form Identifier:1:3:608397:7
GUID (UUID V4):0
Nearest other occurrences of Tennantite Subgroup
0.0km (0.0 miles) ⓘEngland, Lawson Mining District, Clear Creek County, Colorado, USA
0.3km (0.2 miles) ⓘHouston, Lawson Mining District, Clear Creek County, Colorado, USA
0.4km (0.2 miles) ⓘPhoenix Shaft, Lawson Mining District, Clear Creek County, Colorado, USA
0.4km (0.2 miles) ⓘStar Mine, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
0.5km (0.3 miles) ⓘMayflower, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
0.6km (0.4 miles) ⓘBullion King (Mayflower), Lawson Mining District, Clear Creek County, Colorado, USA
0.6km (0.4 miles) ⓘAlma Lincoln Mine, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
0.6km (0.4 miles) ⓘStanley Mine (Gehrmann; Cooper; York; Whale; Golden Link), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
0.6km (0.4 miles) ⓘMaude Monroe, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
0.7km (0.4 miles) ⓘMonte Cristo, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
References
Moench, Robert Hadley, Drake, Avery Ala (1966) Mines and Prospects, Idaho Springs District, Clear Creek and Gilpin Counties, Colorado - Descriptions and Maps. Open-File Report Vol. 1966 (66-87) US Geological Survey doi:10.3133/ofr6687
 
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