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Kyanite
Kyanite

Chlorastrolite
Chlorastrolite



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Kyanite
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Chlorastrolite

Kyanite and Chlorastrolite Physical Properties

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
 
-
-
-
3.1-3.5
Granular
None
5-6
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

Kyanite and Chlorastrolite Chemical Formula

While comparing Kyanite and Chlorastrolite 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 Chlorastrolite chemical formula.

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Kyanite and Chlorastrolite Specific Gravity

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