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Andalusite and Rhodizite Physical Properties


Rhodizite and Andalusite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.05-3.21   
3.34-3.44   

Fracture
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
Good on {110}, poor on {100}   
{111} Indistinct, {111} Indistinct, {111} Indistinct   

Mohs Hardness
7.5   
8-8.5   

Chemical Composition
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   
(K,Cs)Al 4Be 4(B,Be) 12O 28Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Andalusite and Rhodizite Chemical Formula

While comparing Andalusite and Rhodizite 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 Rhodizite chemical formula.

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Andalusite and Rhodizite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Rhodizite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Rhodizite Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 3.34-3.44 whereas that of Rhodizite is 3.34-3.44.

Brown Gemstones

Brown Gemstones


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