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Biotite
Biotite

Hibonite
Hibonite



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Biotite
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Hibonite

Biotite and Hibonite 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
 
-
-
-
3.84
Subconchoidal, Conchoidal
{0001} good, {10 1 0} parting
7.5-8
(Ca,Ce)(Al,Ti,Mg)12O19

Biotite and Hibonite Chemical Formula

While comparing Biotite and Hibonite 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 Hibonite chemical formula.

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Biotite and Hibonite Specific Gravity

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