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Kyanite
Kyanite

Steatite
Steatite



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Kyanite
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Steatite

Kyanite and Steatite Physical Properties

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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
 
-
-
-
2.20-2.80
-
Perfect
-9999
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

Kyanite and Steatite Chemical Formula

While comparing Kyanite and Steatite 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 Steatite chemical formula.

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Kyanite and Steatite Specific Gravity

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