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Kyanite
Kyanite

Jade
Jade



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Kyanite
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Jade

Kyanite and Jade Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.53-3.652.90-3.38
1 7.18
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Fracture

Splintery
Splintery

Cleavage

[100] perfect [010] imperfect with 79° angle between
1 or 2,2 prismatic.

Mohs Hardness

4-76-7
2 10
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Chemical Composition

Al2SiO5
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6

Kyanite and Jade Chemical Formula

While comparing Kyanite and Jade 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 Jade chemical formula.

  • Chemical formula of Kyanite- Al2SiO5
  • Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6

Kyanite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Jade Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.90-3.38 whereas that of Jade is 2.90-3.38.