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Amethyst and Kyanite Physical Properties


Kyanite and Amethyst Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
insoluble in common solvents   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.65   
3.53-3.65   

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

Cleavage
Indiscernible   
[100] perfect [010] imperfect with 79° angle between   

Mohs Hardness
7   
4-7   

Chemical Composition
SiO2   
Not Available   

Optical Properties >>
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Amethyst and Kyanite Chemical Formula

While comparing Amethyst 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 Amethyst and Kyanite chemical formula.

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Amethyst and Kyanite Specific Gravity

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

Semi Precious

Semi Precious


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