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Biotite
Biotite

Bowenite
Bowenite



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Biotite
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Bowenite

Biotite and Bowenite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2
 
-
-
-
2.58-2.80
Uneven, Irregular
Perfect
5.5
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Biotite and Bowenite Chemical Formula

While comparing Biotite and Bowenite 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 Bowenite chemical formula.

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Biotite and Bowenite Specific Gravity

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