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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Chlorosaphir from
Drachenfels, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany


Locality type:Park
Classification
Species:Corundum var: Chlorosaphir
Formula:Al2O3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorosaphir data
Locality Data:Click here to view Drachenfels, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:3518
Long-form Identifier:1:3:3518:7
GUID (UUID V4):0
References
 
and/or  
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