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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Johannsenite from
Brandsnuten manganese deposit, Botnedal, Tokke, Telemark, Norway


Locality type:Deposit
Classification
Species:Johannsenite
Formula:CaMn2+Si2O6
Comments:alteration of rhodonite
Colour:pale brown
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Johannsenite data
Locality Data:Click here to view Brandsnuten manganese deposit, Botnedal, Tokke, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:56113
Long-form Identifier:1:3:56113:0
GUID (UUID V4):0
References
van der Wel, Dirk (1999) The Minerals of the Brandsnuten Manganese Deposit, Tokke, Norway. Norsk Bergverksmuseum Skrift, 15. 74-86
 
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