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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Opale

A synonym of Opal
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French and Italian name for:
This page provides mineralogical data about Opale.


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Unique IdentifiersHide

Mindat ID:
6673 (as Opale)
3004 (as Opal)
Long-form identifier:
mindat:1:1:6673:6 (as Opale)
mindat:1:1:3004:1 (as Opal)

Similar NamesHide

CopaleA synonym of 'Copal'
Opal-AA variety of OpalSiO2 · nH2O
Opal-CA variety of OpalSiO2 · nH2O

Internet Links for OpaleHide

References for OpaleHide

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