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Pleonast and Andalusite Physical Properties


Andalusite and Pleonast Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
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Not Available   

Durability
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Not Available   

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 O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
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Pleonast and Andalusite Chemical Formula

While comparing Pleonast 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 Pleonast and Andalusite chemical formula.

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Pleonast and Andalusite Specific Gravity

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

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