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Andalusite
Andalusite

White topaz
White topaz



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Andalusite
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White topaz

Andalusite and White topaz Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
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
 
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-
-
-9999
-
Indiscernible
-9999
Al2SiO4(F,OH)2

Andalusite and White topaz Chemical Formula

While comparing Andalusite and White topaz 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 White topaz chemical formula.

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Andalusite and White topaz Specific Gravity

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