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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Searlesite from
Rudnik Magnezita Mine, Bela Stena, Baljevac na Ibru, Jarandol Basin, Raška, Raška District, Central Serbia, Serbia


Locality type:Mine
Classification
Species:Searlesite
Formula:Na(H2BSi2O7)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Searlesite data
Locality Data:Click here to view Rudnik Magnezita Mine, Bela Stena, Baljevac na Ibru, Jarandol Basin, Raška, Raška District, Central Serbia, Serbia
Data Identifiers
Mindat Occurrence Record ID:565680
Long-form Identifier:1:3:565680:6
GUID (UUID V4):0
References
Obradovic, Jelena, Stamatakis, Michael G., Anicic, Stojan, Economou, George S. (1992) Borate and borosilicate deposits in the Miocene Jarandol Basin, Serbia, Yugoslavia. Economic Geology, 87 (8) 2169-2174 doi:10.2113/gsecongeo.87.8.2169
 
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