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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Microlite Group from
Haapaluoma pegmatite, Peräseinäjoki, Seinäjoki, South Ostrobothnia, Finland


Locality type:Quarry
Classification
Species:'Microlite Group' (not an IMA approved species)
Formula:A2-mTa2X6-wZ1-n
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Microlite Group data
Locality Data:Click here to view Haapaluoma pegmatite, Peräseinäjoki, Seinäjoki, South Ostrobothnia, Finland
Data Identifiers
Mindat Occurrence Record ID:54702
Long-form Identifier:1:3:54702:4
GUID (UUID V4):0
References
Haapala, Ilmari (1966) On the granitic pegmatites in the Peräseinäjoki-Alavus area, South Pohjanmaa, Finland. Bulletin de la Commission Géologique de Finlande Vol. 224. Geological Survey of Finland
 
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