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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Anorthosite from
Dufek Massif, Pensacola Mountains, Queen Elizabeth Land, East Antarctica, Antarctica


Locality type:Massif
Classification
Type:Anorthosite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anorthosite data
Locality Data:Click here to view Dufek Massif, Pensacola Mountains, Queen Elizabeth Land, East Antarctica, Antarctica
Data Identifiers
Mindat Occurrence Record ID:1326536
Long-form Identifier:1:3:1326536:0
GUID (UUID V4):0
References
Ford, Arthur B. (1983) The Dufek intrusion of Antarctica and a survey of its minor metals and possible resources, in Petroleum and mineral resources of Antarctica. Circular 909, US Geological Survey. 51-75
 
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