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Girasol
Girasol

Biotite
Biotite



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Girasol
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Biotite

Girasol and Biotite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Girasol and Biotite Chemical Formula

While comparing Girasol 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 Girasol and Biotite chemical formula.

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Girasol and Biotite Specific Gravity

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