White topaz and Andalusite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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3.05-3.21
Fracture
Not Available
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Not Available
Good on {110}, poor on {100}
Mohs Hardness
Not Available
7.5
Chemical Composition
Not Available
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
White topaz and Andalusite Chemical Formula
While comparing White topaz 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 White topaz and Andalusite chemical formula.
>- Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
White topaz and Andalusite Specific Gravity
Another important criteria for qualitative analysis of gemstones is White topaz and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White topaz and Andalusite Optical Properties during the identification of gemstone. Specific gravity of White topaz is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.