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Violane
Violane

Opal
Opal



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Violane
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Opal

Violane and Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.22-3.40
Conchoidal
Perfect
5-6
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Violane and Opal Chemical Formula

While comparing Violane and 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 Violane and Opal chemical formula.

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Violane and Opal Specific Gravity

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