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Pyroxmangite
Pyroxmangite
☒

Pietersite
Pietersite
☒



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Pyroxmangite
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Pietersite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.76-3.77
-
{110} Perfect, {110} Perfect
5-6
(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
 
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-
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-9999
-
None
5
H2O+Fe2+,H3O2+Fe3+Si4O12

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