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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Romanèchite from
Sylvester Mine, Urbeis, Sélestat-Erstein, Bas-Rhin, Grand Est, France


Locality type:Mine
Classification
Species:Romanèchite
Formula:(Ba,H2O)2(Mn4+,Mn3+)5O10
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Romanèchite data
Locality Data:Click here to view Sylvester Mine, Urbeis, Sélestat-Erstein, Bas-Rhin, Grand Est, France
Data Identifiers
Mindat Occurrence Record ID:74385
Long-form Identifier:1:3:74385:9
GUID (UUID V4):0
References
Hohl, Jean-Luc (1994) Minéraux et Mines du Massif Vosgien. Ed. du Rhin. 271 pp.
Wittern, A.; Journée, J.R. (1997) Mineralien finden in den Vogesen. Verlag Sven von Loga. 160 pp.
 
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