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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Blue Alexandrite

A variety of Corundum
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A trade name for blue/violet sapphire.


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Unique IdentifiersHide

Mindat ID:
10733 (as Blue Alexandrite)
1136 (as Corundum)
Long-form identifier:
mindat:1:1:10733:6 (as Blue Alexandrite)
mindat:1:1:1136:1 (as Corundum)

Pronunciation of Blue AlexandriteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Blue AlexandriteHide

References for Blue AlexandriteHide

Reference List:
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