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Chrome Tourmaline and Andalusite Physical Properties


Andalusite and Chrome Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.35   
3.05-3.21   

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

Cleavage
3,2   
Good on {110}, poor on {100}   

Mohs Hardness
7-7.5   
7.5   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.   
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
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Chrome Tourmaline and Andalusite Chemical Formula

While comparing Chrome Tourmaline 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 Chrome Tourmaline and Andalusite chemical formula.

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Chrome Tourmaline and Andalusite Specific Gravity

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

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