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Augite and Alexandrite Physical Properties


Alexandrite and Augite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.19-3.56   
3.69-3.81   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Not Available   

Cleavage
{110} Perfect, {010} Indistinct   
1,1 ; 3,2.   

Mohs Hardness
5.5-6   
8.5   

Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)   
BeAl 2 O 4   

Optical Properties >>
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Augite and Alexandrite Chemical Formula

While comparing Augite 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 Augite and Alexandrite chemical formula.

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Augite and Alexandrite Specific Gravity

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

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