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Precious Opal
Precious Opal

Opal
Opal



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Precious Opal
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Opal

Precious Opal and Opal 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)
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Precious Opal and Opal Chemical Formula

While comparing Precious Opal 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 Precious Opal and Opal chemical formula.

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Precious Opal and Opal Specific Gravity

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