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Zultanite
Zultanite

Stibiotantalite
Stibiotantalite



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Zultanite
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Stibiotantalite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
-
6.5-7
-
 
-
-
-
-9999
Conchoidal
{???} Perfect
5.5-6
SbTaO 4Ulrich Henn and Claudio C.