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Alexandrite and Andesine Physical Properties


Andesine and Alexandrite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.69-3.81   
2.65-2.69   

Fracture
Not Available   
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)   

Cleavage
1,1 ; 3,2.   
Perfect on {001}, good on {010}   

Mohs Hardness
8.5   
6-6.5   

Chemical Composition
BeAl 2 O 4   
(Na,Ca)Al1-2Si3-2O8   

Optical Properties >>
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Alexandrite and Andesine Chemical Formula

While comparing Alexandrite and Andesine 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 Andesine chemical formula.

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Alexandrite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.

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