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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Quartz-plagioclase-mica gneiss

A rock subtype
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A gneiss composed primarily of mica, plagioclase and quartz.


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Unique IdentifiersHide

Mindat ID:
50225
Long-form identifier:
mindat:1:1:50225:8

Classification of Quartz-plagioclase-mica gneissHide

Synonyms of Quartz-plagioclase-mica gneissHide

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