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Kyanite
Kyanite

Emerald
Emerald



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Kyanite
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Emerald

Kyanite and Emerald Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

Kyanite and Emerald Chemical Formula

While comparing Kyanite and Emerald 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 Kyanite and Emerald chemical formula.

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Kyanite and Emerald Specific Gravity

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