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Opal
Opal

Vlasovite
Vlasovite



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Opal
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Vlasovite

Opal and Vlasovite Physical Properties

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1 Physical Properties
1.1 Tenacity
BrittleWalter Schumann
Brittle
1.2 Solubility
hot salt water
Nearly insoluble in HCl and HNO3
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.252.97
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
Conchoidal, Brittle
1.6 Cleavage
None
Distinct on {010}
1.7 Mohs Hardness
5-6.56
Amber
2 10
1.8 Chemical Composition
SiO2 · nH2O
Not Available

Opal and Vlasovite Chemical Formula

While comparing Opal and Vlasovite 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 Opal and Vlasovite chemical formula.

  • Chemical formula of Opal- SiO2 · nH2O
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Opal and Vlasovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Vlasovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Vlasovite Optical Properties during the identification of gemstone. Specific gravity of Opal is 2.97 whereas that of Vlasovite is 2.97.