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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Berkeyite

A synonym of Lazulite
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Formula:
(Mg,Fe2+)Al2(PO4)2(OH)2
Synonym:
A synonym of Lazulite
This page provides mineralogical data about Berkeyite.


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Unique IdentifiersHide

Mindat ID:
5726 (as Berkeyite)
2356 (as Lazulite)
Long-form identifier:
mindat:1:1:5726:0 (as Berkeyite)
mindat:1:1:2356:2 (as Lazulite)

Internet Links for BerkeyiteHide

References for BerkeyiteHide

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