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Amethyst
Amethyst

Kyanite
Kyanite



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Amethyst
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Kyanite

Amethyst and Kyanite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2
 
Brittle
-
-
3.53-3.65
Splintery
[100] perfect [010] imperfect with 79° angle between
4-7
Al2SiO5

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 Vs Kyanite during the identification of gemstone. Specific gravity of Amethyst is whereas that of Kyanite is .