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Andalusite
Andalusite

Topazolite
Topazolite



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Andalusite
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Topazolite

Andalusite and Topazolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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
 
-
-
-
3.70-4.10
Conchoidal
Indistinct
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Andalusite and Topazolite Chemical Formula

While comparing Andalusite and Topazolite 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 Andalusite and Topazolite chemical formula.

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Andalusite and Topazolite Specific Gravity

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