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Biotite
Biotite

Kutnohorite
Kutnohorite



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Biotite
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Kutnohorite

Biotite and Kutnohorite Physical Properties

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
 
Brittle
Soluble
-
3.12
Subconchoidal, Conchoidal
Perfect on {10 1 1}
3-4
Ca(Mn,Mg,Fe)(CO3)2

Biotite and Kutnohorite Chemical Formula

While comparing Biotite and Kutnohorite 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 Kutnohorite chemical formula.

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Biotite and Kutnohorite Specific Gravity

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