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Opal
Opal

Zircon
Zircon



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Opal
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Zircon

Opal and Zircon Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O
 
Brittle
insoluble
-
3.93-4.73
Conchoidal, Uneven
{110} and {111}
7.5
ZrSiO4

Opal and Zircon Chemical Formula

While comparing Opal 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 Opal and Zircon chemical formula.

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Opal and Zircon Specific Gravity

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