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Opal Australia
Opal Australia

Neptunite
Neptunite



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Opal Australia
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Neptunite

Opal Australia and Neptunite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
5.5-6.5
SiO2*nH2O
 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Opal Australia and Neptunite Chemical Formula

While comparing Opal Australia and Neptunite 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 Australia and Neptunite chemical formula.

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Opal Australia and Neptunite Specific Gravity

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