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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Vitrophyre

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Synonym:
A synonym of 'Vitrophyric porphyry'
Any porphyritic igneous rock having a glassy groundmass.

Synonym: glass porphyry (seldom used).

Compare with: felsophyre, granophyre


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Unique IdentifiersHide

Mindat ID:
51465 (as Vitrophyre)
48441 (as Vitrophyric porphyry)
Long-form identifier:
mindat:1:1:51465:1 (as Vitrophyre)
mindat:1:1:48441:1 (as Vitrophyric porphyry)

Internet Links for VitrophyreHide

References for VitrophyreHide

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