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Andalusite
Andalusite
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Tahitian pearl
Tahitian pearl
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Andalusite
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Tahitian pearl

Andalusite and Tahitian pearl 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
 
-
-
-
-9999
-
None
-9999
CaCO3

Andalusite and Tahitian pearl Chemical Formula

While comparing Andalusite and Tahitian pearl 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 Tahitian pearl chemical formula.

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Andalusite and Tahitian pearl Specific Gravity

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