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Precious Opal
Precious Opal

Starlite
Starlite



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Precious Opal
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Starlite

Precious Opal and Starlite 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)
 
-
-
-
3.91-4.73
Conchoidal
None
6.5-7.5
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Precious Opal and Starlite Chemical Formula

While comparing Precious Opal and Starlite 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 Starlite chemical formula.

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Precious Opal and Starlite Specific Gravity

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