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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Pyrite from
Ampangabé pegmatite, Miandrarivo, Faratsiho, Vakinankaratra, Madagascar


Locality type:Pegmatite
Classification
Species:Pyrite
Formula:FeS2
Comments:limonitized pyrite crystals (cubes)has been observed on columbite (Lacroix 1922)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Ampangabé pegmatite, Miandrarivo, Faratsiho, Vakinankaratra, Madagascar
Data Identifiers
Mindat Occurrence Record ID:604151
Long-form Identifier:1:3:604151:9
GUID (UUID V4):0
References
Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel. 624 pp. pp.368-368
 
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