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Andean Opal
Andean Opal
☒

Hackmanite
Hackmanite
☒



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Andean Opal
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Hackmanite

Andean Opal and Hackmanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
SiO2·nH2O
 
-
-
-
2.27-2.33
-
Perfect
5.5-6
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Andean Opal and Hackmanite Chemical Formula

While comparing Andean Opal and Hackmanite 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 Andean Opal and Hackmanite chemical formula.

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Andean Opal and Hackmanite Specific Gravity

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