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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Natrojarosite from
Montagne des Francais, Antsiranana II District, Diana, Madagascar


Locality type:Occurrence
Classification
Species:Natrojarosite
Formula:NaFe3(SO4)2(OH)6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Natrojarosite data
Locality Data:Click here to view Montagne des Francais, Antsiranana II District, Diana, Madagascar
Data Identifiers
Mindat Occurrence Record ID:466237
Long-form Identifier:1:3:466237:2
GUID (UUID V4):0
References
Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871
 
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