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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Hastingsite from
Kap Edvard Holm Complex, Sermersooq, Greenland


Locality type:Complex
Classification
Species:Hastingsite
Formula:NaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hastingsite data
Locality Data:Click here to view Kap Edvard Holm Complex, Sermersooq, Greenland
Data Identifiers
Mindat Occurrence Record ID:157014
Long-form Identifier:1:3:157014:4
GUID (UUID V4):0
References
Woolley, Alan R. (1987) Alkaline Rocks and Carbonatites of the World. Part 1: North and South America - Alkaline Rocks and Carbonatites of the World. British Museum (Natural History). 216 pp.
 
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