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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Ettringite from
Slag dumps, Richelsdorf Smelter, Süß, Nentershausen, Hersfeld-Rotenburg, Kassel Region, Hesse, Germany


Locality type:Mine Dump
Classification
Species:Ettringite
Formula:Ca6Al2(SO4)3(OH)12 · 26H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ettringite data
Locality Data:Click here to view Slag dumps, Richelsdorf Smelter, Süß, Nentershausen, Hersfeld-Rotenburg, Kassel Region, Hesse, Germany
Data Identifiers
Mindat Occurrence Record ID:401191
Long-form Identifier:1:3:401191:0
GUID (UUID V4):0
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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