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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Spectacle-Stone

A synonym of Gypsum
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Synonym:
A synonym of Gypsum
This page provides mineralogical data about Spectacle-Stone.


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Unique IdentifiersHide

Mindat ID:
9130 (as Spectacle-Stone)
1784 (as Gypsum)
Long-form identifier:
mindat:1:1:9130:1 (as Spectacle-Stone)
mindat:1:1:1784:4 (as Gypsum)

Internet Links for Spectacle-StoneHide

References for Spectacle-StoneHide

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