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Moldavite and Kyanite Physical Properties


Kyanite and Moldavite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.32-2.38   
3.53-3.65   

Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)   
Splintery, Brittle, Metallic   

Cleavage
Not Available   
[100] perfect [010] imperfect with 79° angle between   

Mohs Hardness
5.5   
4-7   

Chemical Composition
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)   
Not Available   

Optical Properties >>
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Moldavite and Kyanite Chemical Formula

While comparing Moldavite and Kyanite 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 Moldavite and Kyanite chemical formula.

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Moldavite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moldavite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moldavite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Moldavite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.

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