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Onyx
Onyx

Starlite
Starlite



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X
Onyx
X
Starlite

Onyx and Starlite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.70
-
Indiscernible
6.5-7
SiO2
 
-
-
-
3.91-4.73
Conchoidal
None
6.5-7.5
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Onyx and Starlite Chemical Formula

While comparing Onyx 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 Onyx and Starlite chemical formula.

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Onyx and Starlite Specific Gravity

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