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Alexandrite and Williamsite Physical Properties


Williamsite and Alexandrite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.69-3.81   
2.51-2.63   

Fracture
Not Available   
Conchoidal, Conchoidal, Handbook of mineralogy (2001)   

Cleavage
1,1 ; 3,2.   
Not Available   

Mohs Hardness
8.5   
4   

Chemical Composition
BeAl 2 O 4   
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Alexandrite and Williamsite Chemical Formula

While comparing Alexandrite and Williamsite 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 Alexandrite and Williamsite chemical formula.

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Alexandrite and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.

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