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Nuummite
Nuummite

Biotite
Biotite



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Nuummite
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Biotite

Nuummite and Biotite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.18-3.37
Conchoidal
Perfect on 210
5.5-6
Na(Fe,Mg)7(AlSi7O22)(OH)2
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Nuummite and Biotite Chemical Formula

While comparing Nuummite 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 Nuummite and Biotite chemical formula.

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Nuummite and Biotite Specific Gravity

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