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Precious Opal
Precious Opal

Violane
Violane



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Precious Opal
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Violane

Precious Opal and Violane Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)
 
-
-
-
3.22-3.40
Conchoidal
Perfect
5-6
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

Precious Opal and Violane Chemical Formula

While comparing Precious Opal and Violane 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 Precious Opal and Violane chemical formula.

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Precious Opal and Violane Specific Gravity

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