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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Weddellite from
Vitosha Mt, Stolichna Municipality, Sofia City Province, Bulgaria


Locality type:Massif
Classification
Species:Weddellite
Formula:Ca(C2O4) · (2.5-x)H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Weddellite data
Locality Data:Click here to view Vitosha Mt, Stolichna Municipality, Sofia City Province, Bulgaria
Data Identifiers
Mindat Occurrence Record ID:537285
Long-form Identifier:1:3:537285:0
GUID (UUID V4):0
References
Mincheva-Stefanova, J., Kostov, I. (1994) Weddellite - a mineral new to Bulgaria. Comptes Rendus de l'Académie bulgare des Sciences: 47: 69-72.
 
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