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Pietersite
Pietersite
☒

Kyanite
Kyanite
☒



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Pietersite
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Kyanite

Pietersite and Kyanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
5
H2O+Fe2+,H3O2+Fe3+Si4O12
 
Brittle
-
-
3.53-3.65
Splintery
[100] perfect [010] imperfect with 79° angle between
4-7
Al2SiO5

Pietersite and Kyanite Chemical Formula

While comparing Pietersite and Kyanite 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 Pietersite and Kyanite chemical formula.

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Pietersite and Kyanite Specific Gravity

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