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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Quartz from
Ankabo, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar


Locality type:Pegmatite
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Ankabo, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar
Data Identifiers
Mindat Occurrence Record ID:274064
Long-form Identifier:1:3:274064:5
GUID (UUID V4):0
References
Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgache
 
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