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Kyanite
Kyanite

Pectolite
Pectolite



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Kyanite
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Pectolite

Kyanite and Pectolite 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
 
Brittle
-
-
2.74-2.90
Uneven, Splintery
Perfect on {100} and {001}
4.5-5
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Kyanite and Pectolite Chemical Formula

While comparing Kyanite and Pectolite 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 Pectolite chemical formula.

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Kyanite and Pectolite Specific Gravity

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