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Hibonite and Biotite Physical Properties


Biotite and Hibonite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.84   
2.7-3.3   

Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Uneven, Even, Yellow, White   

Cleavage
{0001} good, {10 1 0} parting   
Perfect on the {001}   

Mohs Hardness
7.5-8   
2.5-3.0   

Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19   
K(Mg,Fe++)3[AlSi3O10(OH,F)2   

Optical Properties >>
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Hibonite and Biotite Chemical Formula

While comparing Hibonite and Biotite 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 Hibonite and Biotite chemical formula.

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Hibonite and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Biotite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.7-3.3 whereas that of Biotite is 2.7-3.3.

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