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Emerald
Emerald

Kyanite
Kyanite



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Emerald
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Kyanite

Emerald and Kyanite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
Hard
2.67-2.78
Uneven, ConchoidalWalter Schumann
Imperfect on the [0001]
7.5-8
Be3Al2SiO6
 
Brittle
-
-
3.53-3.65
Splintery
[100] perfect [010] imperfect with 79° angle between
4-7
Al2SiO5

Emerald and Kyanite Chemical Formula

While comparing Emerald 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 Emerald and Kyanite chemical formula.

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Emerald and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald Vs Kyanite during the identification of gemstone. Specific gravity of Emerald is whereas that of Kyanite is .