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Stibiotantalite
Stibiotantalite
☒

Ferro-axinite Axinite-Fe
Ferro-axinite Axinite-Fe
☒



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Stibiotantalite
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Ferro-axinite Axinite-Fe
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
Conchoidal
{???} Perfect
5.5-6
SbTaO 4Ulrich Henn and Claudio C.
 
-
-
-
3.25-3.28
Uneven
{100} Distinct, {001} Poor, {110} Poor
6.5-7
Ca2Fe++Al2BO3Si4O12(OH)