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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Cyprine from
Trollurdi, Tokke, Telemark, Norway


Locality type:Occurrence
Classification
Species:Cyprine
Formula:Ca19Cu2+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9
Confirmation
Validity:Unconfirmed/Questioned
Associated Minerals Based on Photo Data:
Zoisite1
- var Thulite1
Data
Mineral Data:Click here to view Cyprine data
Locality Data:Click here to view Trollurdi, Tokke, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:765435
Long-form Identifier:1:3:765435:0
GUID (UUID V4):0
References
Jan Andersen photo & specimen
 
and/or  
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