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Precious Opal
Precious Opal

Vanadinite
Vanadinite



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Precious Opal
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Vanadinite

Precious Opal and Vanadinite 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)
 
Brittle
-
-
6.8-7.1
Uneven, Conchoidal
None
3-4
C20H36

Precious Opal and Vanadinite Chemical Formula

While comparing Precious Opal and Vanadinite 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 Vanadinite chemical formula.

  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
  • Chemical formula of Vanadinite- C20H36

Precious Opal and Vanadinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Vanadinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Vanadinite Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 6.8-7.1 whereas that of Vanadinite is 6.8-7.1.