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Opal
Opal

Verdelite
Verdelite



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Opal
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Verdelite

Opal and Verdelite 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
 
-
-
-
2.90-3.40
Conchoidal
Indiscernible
7-7.5
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Opal and Verdelite Chemical Formula

While comparing Opal and Verdelite 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 Verdelite chemical formula.

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Opal and Verdelite Specific Gravity

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