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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glass porphyry

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Synonym:
A synonym of Vitrophyric porphyry
This page provides mineralogical data about glass porphyry.


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Unique IdentifiersHide

Mindat ID:
472048 (as glass porphyry)
48441 (as Vitrophyric porphyry)
Long-form identifier:
mindat:1:1:472048:1 (as glass porphyry)
mindat:1:1:48441:1 (as Vitrophyric porphyry)

Internet Links for glass porphyryHide

References for glass porphyryHide

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