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Opal Australia
Opal Australia

Andalusite
Andalusite



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Opal Australia
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Andalusite

Opal Australia and Andalusite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
5.5-6.5
SiO2*nH2O
 
-
-
-
3.05-3.21
Uneven, Subconchoidal, Splintery
Good on {110}, poor on {100}
7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Opal Australia and Andalusite Chemical Formula

While comparing Opal Australia and Andalusite 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 Andalusite chemical formula.

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Opal Australia and Andalusite Specific Gravity

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