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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Alstonite from
Ashover, North East Derbyshire District, Derbyshire, England, UK


Locality type:Civil Parish
Classification
Species:Alstonite
Formula:BaCa(CO3)2
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Alstonite data
Locality Data:Click here to view Ashover, North East Derbyshire District, Derbyshire, England, UK
Data Identifiers
Mindat Occurrence Record ID:629708
Long-form Identifier:1:3:629708:4
GUID (UUID V4):0
References
Ford, T., Sarjeant, A., Smith, M. (1993) The minerals of the Peak district of Derbyshire. UK Journal of Mines and Minerals 13, Rockbottom Publications. 16-55
 
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