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Kyanite
Kyanite

Eilat stone
Eilat stone



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Kyanite
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Eilat stone

Kyanite and Eilat stone Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.53-3.65-9999
1 7.18
👆🏻

Fracture

Splintery
-

Cleavage

[100] perfect [010] imperfect with 79° angle between
-

Mohs Hardness

4-7-9999
2 10
👆🏻

Chemical Composition

Al2SiO5
Cu3(PO4)(OH)3

Kyanite and Eilat stone Chemical Formula

While comparing Kyanite and Eilat stone 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 Eilat stone chemical formula.

  • Chemical formula of Kyanite- Al2SiO5
  • Chemical formula of Eilat stone- Cu3(PO4)(OH)3

Kyanite and Eilat stone Specific Gravity

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