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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Stannoidite from
Mount Pleasant Mine, Saint George Parish, Charlotte Co., New Brunswick, Canada


Locality type:Mine
Classification
Species:Stannoidite
Formula:Cu6+Cu22+(Fe2+,Zn)3Sn2S12
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stannoidite data
Locality Data:Click here to view Mount Pleasant Mine, Saint George Parish, Charlotte Co., New Brunswick, Canada
Data Identifiers
Mindat Occurrence Record ID:99502
Long-form Identifier:1:3:99502:7
GUID (UUID V4):0
References
Parrish, I. S. (1977) Mineral Catalog for the Mount Pleasant Deposit of Brunswick Tin Mines. The Canadian Mineralogist, 15 (1) 121-126
Shimizu, M., Shikazono, N. (1987) Stannoidite-bearing tin ore; mineralogy, texture and physicochemical environment of formation. The Canadian Mineralogist: 25(2): 229-236.
Thorne, K. G., Fyffe, L. R., & Creaser, R. A. (2013). Re-Os geochronological constraints on the mineralizing events within the Mount Pleasant Caldera: implications for the timing of sub-volcanic magmatism. Atlantic Geology: Journal of the Atlantic Geoscience Society/Atlantic Geology: revue de la Société Géoscientifique de l'Atlantique, 49, 131-150.
 
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