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Opal
Opal

Sylvite
Sylvite



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Opal
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Sylvite

Opal and Sylvite 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
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Opal and Sylvite Chemical Formula

While comparing Opal and Sylvite 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 Sylvite chemical formula.

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Opal and Sylvite Specific Gravity

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