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Kyanite
Kyanite
☒

Sogdianite
Sogdianite
☒



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Kyanite
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Sogdianite

Kyanite and Sogdianite 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
 
-
-
-
2.77-2.90
-
{0001} Perfect
7
(K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.

Kyanite and Sogdianite Chemical Formula

While comparing Kyanite and Sogdianite 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 Sogdianite chemical formula.

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Kyanite and Sogdianite Specific Gravity

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