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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Rosterit

A synonym of 'Rosterite'
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Formula:
Be3Al2(Si6O18)
German synonym of:
This page provides mineralogical data about Rosterit.


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Unique IdentifiersHide

Mindat ID:
21156 (as Rosterit)
6544 (as Rosterite)
819 (as Beryl)
Long-form identifier:
mindat:1:1:21156:9 (as Rosterit)
mindat:1:1:6544:9 (as Rosterite)
mindat:1:1:819:6 (as Beryl)

Internet Links for RosteritHide

References for RosteritHide

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