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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Microsommite from
Case Collina, Pitigliano, Grosseto Province, Tuscany, Italy


Locality type:Quarry
Classification
Species:Microsommite
Formula:Na4K2Ca2(Al6Si6O24)(SO4)Cl2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Microsommite data
Locality Data:Click here to view Case Collina, Pitigliano, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:367203
Long-form Identifier:1:3:367203:7
GUID (UUID V4):0
References
Gentile P. (1985): Microsommite di Pitigliano (GR). Riv. Mineral. Ital., 9, 4 (4-1985), 146
Liotti, L. (1991) I minerali dei vulcani laziali a Pitigliano (Grosseto). Rivista Mineralogica Italiana, 15(3), 121-139.
 
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