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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Harmotome from
Brunswick No. 12 mine (Brunswick Mining & Smelting Corp. No. 12 mine), Bathurst Mining Camp, Bathurst Parish, Gloucester Co., New Brunswick, Canada


Locality type:Mine
Classification
Species:Harmotome
Formula:Ba2(Si12Al4)O32 · 12H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Harmotome data
Locality Data:Click here to view Brunswick No. 12 mine (Brunswick Mining & Smelting Corp. No. 12 mine), Bathurst Mining Camp, Bathurst Parish, Gloucester Co., New Brunswick, Canada
Data Identifiers
Mindat Occurrence Record ID:50329
Long-form Identifier:1:3:50329:7
GUID (UUID V4):0
References
Scott, J. D., Peatfield, G. R. (1986) Mannardite [Ba·H2O](Ti6V3+2)O16, a new mineral species, and new data on redledgeite. The Canadian Mineralogist, 24 (1) 55-66
 
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