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Adamite
Adamite

Biotite
Biotite



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Adamite
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Biotite

Adamite and Biotite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
4.32-4.48
Uneven, Subconchoidal, Conchoidal
{101}, good; {010}, poor
3.5
Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Adamite and Biotite Chemical Formula

While comparing Adamite 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 Adamite and Biotite chemical formula.

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Adamite and Biotite Specific Gravity

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