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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Prehnite from
St Martin Alp, Sankt Martin am Silberberg, Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria


Locality type:Alpine Pasture
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view St Martin Alp, Sankt Martin am Silberberg, Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
Data Identifiers
Mindat Occurrence Record ID:200958
Long-form Identifier:1:3:200958:2
GUID (UUID V4):0
References
Niedermayr, G.; Praetzel, I. (1995) Mineralien Kärntens. Naturwissenschaftlicher Verein für Kärnten. 232 pp.
 
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