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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Opalus

A synonym of Opal
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Latin name for:
This page provides mineralogical data about Opalus.


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Unique IdentifiersHide

Mindat ID:
5982 (as Opalus)
3004 (as Opal)
Long-form identifier:
mindat:1:1:5982:0 (as Opalus)
mindat:1:1:3004:1 (as Opal)

Internet Links for OpalusHide

References for OpalusHide

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