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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Crandallite from
Merrillan, Jackson County, Wisconsin, USA


Locality type:Town
Classification
Species:Crandallite
Formula:CaAl3(PO4)(PO3OH)(OH)6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Crandallite data
Locality Data:Click here to view Merrillan, Jackson County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:128254
Long-form Identifier:1:3:128254:2
GUID (UUID V4):0
References
Klemic, H.; Mrose, M. E. (1972) Geologic relations and X-ray crystallography of wavellite from Jackson County, Wisconsin, and their geologic implications, in Geological Survey research 1972, Chapter C. Professional Paper, 800-C. US Geological Survey. 53-62
Falster, Al (1984) Wavellite in Jackson County, Wisconsin. Rocks & Minerals, 59 (3) 125-126 doi:10.1080/00357529.1984.11764462
 
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