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Kurnakovite
Kurnakovite

Biotite
Biotite



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Kurnakovite
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Biotite

Kurnakovite and Biotite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

1.847-1.8522.7-3.3
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Even

Cleavage

Poor to indistinct on {010}
Perfect on the {001}

Mohs Hardness

2-32.5-3.0
2 10
👆🏻

Chemical Composition

Ca3Al3(SiO4)3(OH)
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Kurnakovite and Biotite Chemical Formula

While comparing Kurnakovite 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 Kurnakovite and Biotite chemical formula.

  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)
  • Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Kurnakovite and Biotite Specific Gravity

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