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Kyanite
Kyanite

Glaucophane
Glaucophane



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Kyanite
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Glaucophane

Kyanite and Glaucophane Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.53-3.653-3.15
1 7.18
👆🏻

Fracture

Splintery
Conchoidal

Cleavage

[100] perfect [010] imperfect with 79° angle between
Good on [110] and on [001]

Mohs Hardness

4-76.0-6.5
2 10
👆🏻

Chemical Composition

Al2SiO5
[ ]Na2(Mg3Al2)Si8O22(OH)2

Kyanite and Glaucophane Chemical Formula

While comparing Kyanite and Glaucophane 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 Glaucophane chemical formula.

  • Chemical formula of Kyanite- Al2SiO5
  • Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

Kyanite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3-3.15 whereas that of Glaucophane is 3-3.15.