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Friedelite
Friedelite

Biotite
Biotite



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Friedelite
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Biotite

Friedelite and Biotite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.06-3.19
Uneven
{010} Perfect
4-5
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Friedelite and Biotite Chemical Formula

While comparing Friedelite 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 Friedelite and Biotite chemical formula.

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Friedelite and Biotite Specific Gravity

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