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Fire Opal
Fire Opal

Vlasovite
Vlasovite



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Fire Opal
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Vlasovite

Fire Opal and Vlasovite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Nearly insoluble in HCl and HNO3

Durability

-
-

Specific Gravity

1.97-2.222.97
1 7.18
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Fracture

Conchoidal
Conchoidal

Cleavage

None
Distinct on {010}

Mohs Hardness

6-6.56
2 10
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Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
-

Fire Opal and Vlasovite Chemical Formula

While comparing Fire 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 Fire Opal and Vlasovite chemical formula.

  • Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Vlasovite- -

Fire Opal and Vlasovite Specific Gravity

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