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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Graphite (commodity) from
Sisk Mine, Gold Hill Mining District, Boulder County, Colorado, USA


Locality type:Mine
Classification
Commodity:Graphite (commodity)
Data
Commodity Data:Click here to view Graphite (commodity) data
Locality Data:Click here to view Sisk Mine, Gold Hill Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1121973
Long-form Identifier:1:3:1121973:8
GUID (UUID V4):0
Nearest other deposits of Graphite (commodity)
41.6km (25.9 miles) ⓘGraphite Nos. 1 To 7, Larimer County, Colorado, USA
 
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