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Sellaite
Sellaite

Opal Australia
Opal Australia



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Sellaite
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Opal Australia

Sellaite and Opal Australia Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.
 
-
-
-
-9999
-
None
5.5-6.5
SiO2*nH2O

Sellaite and Opal Australia Chemical Formula

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

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Sellaite and Opal Australia Specific Gravity

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