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
Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Crandallite
Formula:CaAl3(PO4)(PO3OH)(OH)6
Comments:Schooner (1955) reports it "as microscopic crystals associated with bertrandite" found by Gunnar Bjareby. However, he does not mention it in any of his subsequent writings on the area.
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Crandallite data
Locality Data:Click here to view Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:96191
Long-form Identifier:1:3:96191:4
GUID (UUID V4):0
References
Schooner, Richard (1955) 90 Minerals from 1 Connecticut Hill. Rocks & Minerals, 30 (7-8). 351-358 doi:10.1080/00357529.1955.11767837
 
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