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Opal Australia
Opal Australia

Poldervaartite
Poldervaartite



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Opal Australia
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Poldervaartite

Opal Australia and Poldervaartite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
5.5-6.5
SiO2*nH2O
 
-
-
-
2.91
-
None
-9999
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Opal Australia and Poldervaartite Chemical Formula

While comparing Opal Australia and Poldervaartite 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 Poldervaartite chemical formula.

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Opal Australia and Poldervaartite Specific Gravity

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