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Opal Australia
Opal Australia

Gahnite
Gahnite



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Opal Australia
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Gahnite

Opal Australia and Gahnite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
5.5-6.5
SiO2*nH2O
 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Opal Australia and Gahnite Chemical Formula

While comparing Opal Australia and Gahnite 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 Gahnite chemical formula.

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Opal Australia and Gahnite Specific Gravity

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