×

Vlasovite
Vlasovite

Common Opal
Common Opal



ADD
Compare
X
Vlasovite
X
Common Opal

Vlasovite and Common Opal Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Nearly insoluble in HCl and HNO3
-

Durability

-
-

Specific Gravity

2.971.98-2.50
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

Distinct on {010}
None

Mohs Hardness

65.5-6.5
2 10
👆🏻

Chemical Composition

-
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Vlasovite and Common Opal Chemical Formula

While comparing Vlasovite 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 Vlasovite and Common Opal chemical formula.

  • Chemical formula of Vlasovite- -
  • Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Vlasovite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vlasovite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vlasovite and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Vlasovite is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.