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Onyx
Onyx

Zircon
Zircon



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X
Onyx
X
Zircon

Onyx and Zircon 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
 
Brittle
insoluble
-
3.93-4.73
Conchoidal, Uneven
{110} and {111}
7.5
ZrSiO4

Onyx and Zircon Chemical Formula

While comparing Onyx and Zircon 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 Zircon chemical formula.

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Onyx and Zircon Specific Gravity

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