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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Sternsaphir

A synonym of 'Star Sapphire'
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Formula:
Al2O3
German synonym of:
A German / Austrian language name.


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Unique IdentifiersHide

Mindat ID:
30581 (as Sternsaphir)
30580 (as Star Sapphire)
1136 (as Corundum)
Long-form identifier:
mindat:1:1:30581:3 (as Sternsaphir)
mindat:1:1:30580:4 (as Star Sapphire)
mindat:1:1:1136:1 (as Corundum)

Internet Links for SternsaphirHide

References for SternsaphirHide

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