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Biotite
Biotite

Stibiotantalite
Stibiotantalite



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Biotite
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Stibiotantalite

Biotite and Stibiotantalite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.7-3.3-9999
1 7.18
👆🏻

Fracture

Uneven, Even
Conchoidal

Cleavage

Perfect on the {001}
{???} Perfect

Mohs Hardness

2.5-3.05.5-6
2 10
👆🏻

Chemical Composition

K(Mg,Fe++)3[AlSi3O10(OH,F)2
SbTaO 4Ulrich Henn and Claudio C.

Biotite and Stibiotantalite Chemical Formula

While comparing Biotite and Stibiotantalite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Biotite and Stibiotantalite chemical formula.

  • Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2
  • Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

Biotite and Stibiotantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Stibiotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Stibiotantalite Optical Properties during the identification of gemstone. Specific gravity of Biotite is whereas that of Stibiotantalite is .