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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Kyanite from
Anderson Ridge pegmatites, Fremont County, Wyoming, USA


Locality type:Pegmatite Field
Classification
Species:Kyanite
Formula:Al2(SiO4)O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Kyanite data
Locality Data:Click here to view Anderson Ridge pegmatites, Fremont County, Wyoming, USA
Data Identifiers
Mindat Occurrence Record ID:41276
Long-form Identifier:1:3:41276:4
GUID (UUID V4):0
References
Hausel, W. Dan, Jacobson, Mark (2001) Wyoming Mineral Locality Index. Rocks & Minerals, 76 (6) 380-393 doi:10.1080/00357520109603245p.386
 
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