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Biotite
Biotite

Jelly Opal
Jelly Opal



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Biotite
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Jelly Opal

Biotite and Jelly Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO2*nH2O

Biotite and Jelly Opal Chemical Formula

While comparing Biotite and Jelly Opal 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 Biotite and Jelly Opal chemical formula.

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Biotite and Jelly Opal Specific Gravity

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