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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Chalcocite from
Payrock Mine, Illinois Mine, Georgetown District, Clear Creek County, Colorado, 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 Payrock Mine, Illinois Mine, Georgetown District, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:433658
Long-form Identifier:1:3:433658:7
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
0.4km (0.3 miles) ⓘSnowdrift, Georgetown District, Clear Creek County, Colorado, USA
0.7km (0.5 miles) ⓘBismark Pelican (Pelican - Dives Mine), Georgetown District, Clear Creek County, Colorado, USA
1.1km (0.7 miles) ⓘGeorgetown-Silver Plume Mining District (Griffith Mining District; Silver Plume Mining District), Clear Creek County, Colorado, USA
10.3km (6.4 miles) ⓘMurry Mine, Lawson Mining District, Clear Creek County, Colorado, USA
11.7km (7.3 miles) ⓘBelle Creole, Freeland, Freeland-Lamartine Mining District, Clear Creek County, Colorado, USA
12.2km (7.6 miles) ⓘBig Chief Shaft, Lamartine Mining District, Clear Creek County, Colorado, USA
13.7km (8.5 miles) ⓘOld Settler Mine & Tunnel, Lawson Mining District, Clear Creek County, Colorado, USA
14.0km (8.7 miles) ⓘAlice Glory Hole, Alice Mine, Alice Mining District (Yankee Mining District; Lincoln Mining District), Clear Creek County, Colorado, USA
14.0km (8.7 miles) ⓘAlice Mine, Alice Mining District (Yankee Mining District; Lincoln Mining District), Clear Creek County, Colorado, USA
15.6km (9.7 miles) ⓘEngland, Lawson Mining District, Clear Creek County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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