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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Coquimbite from
Railway tunnel, Galgenberg, Leoben, Leoben District, Styria, Austria


Locality type:Tunnel
Classification
Species:Coquimbite
Formula:AlFe3(SO4)6(H2O)12 · 6H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Coquimbite data
Locality Data:Click here to view Railway tunnel, Galgenberg, Leoben, Leoben District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:692087
Long-form Identifier:1:3:692087:6
GUID (UUID V4):0
References
Hollerer, Ch.-E. (1999): Minerale des Eisenbahntunnels Galgenberg, Jassing, St.Michael ob Leoben, Steiermark, Österreich. Annalen - Journal of Science and Art, 1, 11-22.
 
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