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Opal
Opal

Hyalite
Hyalite



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Opal
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Hyalite

Opal and Hyalite 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
 
-
-
-
-9999
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Opal and Hyalite Chemical Formula

While comparing Opal and Hyalite 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 Hyalite chemical formula.

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Opal and Hyalite Specific Gravity

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