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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Robinsonite from
Massawa deposit (Massawa prospect), Tambacounda Region, Senegal


Locality type:Deposit
Classification
Species:Robinsonite
Formula:Pb4Sb6S13
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Robinsonite data
Locality Data:Click here to view Massawa deposit (Massawa prospect), Tambacounda Region, Senegal
Data Identifiers
Mindat Occurrence Record ID:975344
Long-form Identifier:1:3:975344:0
GUID (UUID V4):0
References
The Massawa gold deposit, Eastern Senegal, West Africa: an orogenic gold deposit sourced from magmatically derived fluids? in Abdurrahman, A., J. C. Ø. Andersen, and B. J. Williamson. "Meeting of the Geological Society’s Mineral Deposits Studies Group was held on the 2nd–4th January 2013 at the University of Leicester, UK." Applied Earth Science (Trans. Inst. Min. Metall. B) 121.4 (2012): 211.
 
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