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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Alunogen from
Barbora I lignite mine, Žádovice, Hodonín District, South Moravian Region, Czech Republic


Locality type:Mine
Classification
Species:Alunogen
Formula:Al2(SO4)3 · 17H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Alunogen data
Locality Data:Click here to view Barbora I lignite mine, Žádovice, Hodonín District, South Moravian Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:625239
Long-form Identifier:1:3:625239:7
GUID (UUID V4):0
References
Kruťa T. (1944): Nález nové recentní síry a salmiaku v Kelčanech na Moravě. Věda přírodní, 23, 61.
 
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