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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Samteisenerz

A synonym of Goethite
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Formula:
α-Fe3+O(OH)
German synonym of:
Sometimes erroneously spelt Sammteisenerz.


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Unique IdentifiersHide

Mindat ID:
30036 (as Samteisenerz)
1719 (as Goethite)
Long-form identifier:
mindat:1:1:30036:8 (as Samteisenerz)
mindat:1:1:1719:6 (as Goethite)

Internet Links for SamteisenerzHide

References for SamteisenerzHide

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