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Mineralpedia Details for Neustadtelite

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Neustadtelite

Neustadtelite

Formula
Bi2Fe3+(Fe3+,Co)2(O,OH)4(AsO4)2 
Crystal System
Triclinic 
Crystal Habit
Tabular 
Cleavage
Good, None, None 
Luster
Adamantine 
Color
brown 
Streak
light brown 
Class
Triclinic - Pinacoidal 
Fracture
Brittle - Conchoidal 
Hardness
4.5 
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Neustadtelite from Güldener Falk mine, Neustädtel, Erzgebirge, Saxony, Germany

Neustadtelite
            from Güldener Falk mine, Neustädtel, Erzgebirge, Saxony, Germany
Special Info
Type Locality

Reddish brown super micro crystals throughout spongy matrix found in only a handful of localities worldwide.

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