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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Feldspar Group from
Lemiere prospect, Unity, Sullivan County, New Hampshire, USA


Locality type:Prospect
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Lemiere prospect, Unity, Sullivan County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:1017964
Long-form Identifier:1:3:1017964:6
GUID (UUID V4):0
References
Barton, W. & C. E. Goldsmith (1968) New England Beryllium investigations. US Bureau Mines RI 7070
 
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