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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Braunspat from
Marienberg Mine, Unkel, Unkel, Neuwied, Rhineland-Palatinate, Germany


Locality type:Mine
Classification
Species:'Braunspat' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Braunspat data
Locality Data:Click here to view Marienberg Mine, Unkel, Unkel, Neuwied, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:702247
Long-form Identifier:1:3:702247:0
GUID (UUID V4):0
References
Ref.: W. Meyer, J. Stets: "Das Rheintal zwischen Bingen und Bonn", Sammlung Geologischer Führer, Vol. 89, Borntraeger (Berlin, Stuttgart), 1996
 
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