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Pleonaste and Biotite Physical Properties


Biotite and Pleonaste Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.80   
2.7-3.3   

Fracture
Not Available   
Uneven, Even, Yellow, White   

Cleavage
Not Available   
Perfect on the {001}   

Mohs Hardness
8   
2.5-3.0   

Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)   
K(Mg,Fe++)3[AlSi3O10(OH,F)2   

Optical Properties >>
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Pleonaste and Biotite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Biotite chemical formula.

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Pleonaste and Biotite Specific Gravity

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

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Blue Gemstones


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