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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Buchholzit

A synonym of Sillimanite
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Formula:
Al2(SiO4)O
German synonym of:
Possibly misnomer for Bucholzit.


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Unique IdentifiersHide

Mindat ID:
46030 (as Buchholzit)
3662 (as Sillimanite)
Long-form identifier:
mindat:1:1:46030:5 (as Buchholzit)
mindat:1:1:3662:3 (as Sillimanite)

Internet Links for BuchholzitHide

References for BuchholzitHide

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