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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Alumina

A synonym of Corundum
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Formula:
Al2O3
Synonym:
A synonym of Corundum
This page provides mineralogical data about Alumina.


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Unique IdentifiersHide

Mindat ID:
10915 (as Alumina)
1136 (as Corundum)
Long-form identifier:
mindat:1:1:10915:8 (as Alumina)
mindat:1:1:1136:1 (as Corundum)

Similar NamesHide

Internet Links for AluminaHide

References for AluminaHide

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