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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Calcite from
Mahakirau River, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand


Locality type:River
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Mahakirau River, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
Data Identifiers
Mindat Occurrence Record ID:831925
Long-form Identifier:1:3:831925:8
GUID (UUID V4):0
References
Collection of RJ Martin
 
and/or  
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