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Biotite and Goshenite Physical Properties


Goshenite and Biotite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.7-3.3   
2.60-2.90   

Fracture
Uneven, Even, Yellow, White   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Perfect on the {001}   
3,1 basal   

Mohs Hardness
2.5-3.0   
7.5-8   

Chemical Composition
K(Mg,Fe++)3[AlSi3O10(OH,F)2   
Be3Al2SiO6   

Optical Properties >>
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Biotite and Goshenite Chemical Formula

While comparing Biotite and Goshenite 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 Goshenite chemical formula.

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Biotite and Goshenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Goshenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Goshenite Optical Properties during the identification of gemstone. Specific gravity of Biotite is 2.60-2.90 whereas that of Goshenite is 2.60-2.90.

Yellow Gemstones

Yellow Gemstones


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