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Charoite
Charoite

Common Opal
Common Opal



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Charoite
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Common Opal

Charoite and Common Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.54-2.78
Conchoidal
Good in three directions
5-6
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Charoite and Common Opal Chemical Formula

While comparing Charoite and Common 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 Charoite and Common Opal chemical formula.

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Charoite and Common Opal Specific Gravity

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