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Pyroxmangite
Pyroxmangite

Cavansite
Cavansite



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Pyroxmangite
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Cavansite
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.
 
Brittle
-
-
2.25-2.33
-
Good on {010}
3-4
Ca(VO)Si4O10•4(H2O)