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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Helvin

A synonym of Helvine
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Formula:
Mn2+4(Be3Si3O12)S
German name for:
This page provides mineralogical data about Helvin.


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Unique IdentifiersHide

Mindat ID:
31885 (as Helvin)
1855 (as Helvine)
Long-form identifier:
mindat:1:1:31885:3 (as Helvin)
mindat:1:1:1855:1 (as Helvine)

Internet Links for HelvinHide

References for HelvinHide

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