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Brazilianite
Brazilianite

Biotite
Biotite



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Brazilianite
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Biotite

Brazilianite and Biotite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.98-2.99
Conchoidal
(010) Distinct to good
5.5
NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Brazilianite and Biotite Chemical Formula

While comparing Brazilianite 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 Brazilianite and Biotite chemical formula.

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Brazilianite and Biotite Specific Gravity

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