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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Gel-pristobalite

A synonym of Opal
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Synonym:
A synonym of Opal
This page provides mineralogical data about Gel-pristobalite.


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Unique IdentifiersHide

Mindat ID:
10254 (as Gel-pristobalite)
3004 (as Opal)
Long-form identifier:
mindat:1:1:10254:4 (as Gel-pristobalite)
mindat:1:1:3004:1 (as Opal)

Internet Links for Gel-pristobaliteHide

References for Gel-pristobaliteHide

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