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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Achates unguium colore oculus mundi

A synonym of Opal
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Formula:
SiO2 · nH2O
Latin synonym of:
This page provides mineralogical data about Achates unguium colore oculus mundi.


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Unique IdentifiersHide

Mindat ID:
10420 (as Achates unguium colore oculus mundi)
3004 (as Opal)
Long-form identifier:
mindat:1:1:10420:5 (as Achates unguium colore oculus mundi)
mindat:1:1:3004:1 (as Opal)

Internet Links for Achates unguium colore oculus mundiHide

References for Achates unguium colore oculus mundiHide

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