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Biotite
Biotite

Viridine
Viridine



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Biotite
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Viridine

Biotite and Viridine 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
 
-
-
-
3.05-3.21
-
None
7-7.5
(Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)

Biotite and Viridine Chemical Formula

While comparing Biotite and Viridine 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 Viridine chemical formula.

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Biotite and Viridine Specific Gravity

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