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Kyanite
Kyanite

Hyacinth
Hyacinth



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Kyanite
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Hyacinth

Kyanite and Hyacinth 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
 
-
-
-
3.93-4.73
Conchoidal
Indiscernible
6.5-7.5
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Kyanite and Hyacinth Chemical Formula

While comparing Kyanite and Hyacinth 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 Hyacinth chemical formula.

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Kyanite and Hyacinth Specific Gravity

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