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Leucite and Alexandrite Physical Properties


Alexandrite and Leucite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.45-2.50   
3.69-3.81   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Not Available   

Cleavage
Poor on {110}   
1,1 ; 3,2.   

Mohs Hardness
5.5-6   
8.5   

Chemical Composition
KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
BeAl 2 O 4   

Optical Properties >>
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Leucite and Alexandrite Chemical Formula

While comparing Leucite and Alexandrite 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 Leucite and Alexandrite chemical formula.

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Leucite and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Leucite and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Leucite and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Leucite is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.

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