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Shigaite and Biotite Physical Properties


Biotite and Shigaite Physical Properties


Physical Properties

Tenacity
Moderately flexible   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.32   
2.7-3.3   

Fracture
Flexible Flexible fragments.   
Uneven, Even, Yellow, White   

Cleavage
Perfect on {0001}   
Perfect on the {001}   

Mohs Hardness
2   
2.5-3.0   

Chemical Composition
Not Available   
K(Mg,Fe++)3[AlSi3O10(OH,F)2   

Optical Properties >>
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Shigaite and Biotite Chemical Formula

While comparing Shigaite 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 Shigaite and Biotite chemical formula.

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Shigaite and Biotite Specific Gravity

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

Yellow Gemstones

Yellow Gemstones


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