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Mellite and Andalusite Physical Properties


Andalusite and Mellite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.58-1.60   
3.05-3.21   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)   

Cleavage
{011} Imperfect   
Good on {110}, poor on {100}   

Mohs Hardness
2   
7.5   

Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.   
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
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Mellite and Andalusite Chemical Formula

While comparing Mellite 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 Mellite and Andalusite chemical formula.

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Mellite and Andalusite Specific Gravity

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

Brown Gemstones

Brown Gemstones


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