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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Geffroyiet

A synonym of Geffroyite
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Dutch name for:
This page provides mineralogical data about Geffroyiet.


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Unique IdentifiersHide

Mindat ID:
485975 (as Geffroyiet)
1667 (as Geffroyite)
Long-form identifier:
mindat:1:1:485975:4 (as Geffroyiet)
mindat:1:1:1667:0 (as Geffroyite)

Similar NamesHide

JeffreyitA synonym of Jeffreyite

Internet Links for GeffroyietHide

References for GeffroyietHide

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