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Andalusite
Andalusite

Andesine
Andesine



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Andalusite
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Andesine

Andalusite and Andesine 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
 
Brittle
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8

Andalusite and Andesine Chemical Formula

While comparing Andalusite and Andesine 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 Andesine chemical formula.

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Andalusite and Andesine Specific Gravity

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