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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Beryl from
Woolworth Farm occurrence, Winthrop, Kennebec County, Maine, USA


Locality type:Occurrence
Classification
Species:Beryl
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Beryl data
Locality Data:Click here to view Woolworth Farm occurrence, Winthrop, Kennebec County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:42479
Long-form Identifier:1:3:42479:6
GUID (UUID V4):0
References
 
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