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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Herderite from
Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic


Locality type:Pegmatite
Classification
Species:Herderite
Formula:CaBe(PO4)F
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Herderite data
Locality Data:Click here to view Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:24513
Long-form Identifier:1:3:24513:5
GUID (UUID V4):0
References
[Lapis 1994:6 p49-50]
Cempírek, Jan, Novák, Milan (2007) Beryllophosphate assemblages in late hydrothermal stage of the Rosná lepidolite pegmatite. Granitic Pegmatites: The State of the Art - International Symposium. 06th - 12th May 2007, Porto, Portugal.
 
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