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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Pyrostilpnite from
Herodsfoot Mine (North Herodsfoot Mine), Lanreath, Cornwall, England, UK


Locality type:Mine
Classification
Species:Pyrostilpnite
Formula:Ag3SbS3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrostilpnite data
Locality Data:Click here to view Herodsfoot Mine (North Herodsfoot Mine), Lanreath, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:45813
Long-form Identifier:1:3:45813:7
GUID (UUID V4):0
References
Starkey, Roy (2012) The Herodsfoot mine, Lanreath, Cornwall, England. The Mineralogical Record, 43 (4) 411-486
 
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