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Heliotrope and Andalusite Physical Properties


Andalusite and Heliotrope Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.61   
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
6.5-7   
7.5   

Chemical Composition
Not Available   
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
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Heliotrope and Andalusite Chemical Formula

While comparing Heliotrope 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 Heliotrope and Andalusite chemical formula.

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Heliotrope and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Heliotrope and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Heliotrope and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Heliotrope is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.

Green Gemstones

Green Gemstones


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