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Kyanite
Kyanite

Lawsonite
Lawsonite



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Kyanite
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Lawsonite

Kyanite and Lawsonite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.53-3.65
3.09
1.5 Fracture
Splintery, Brittle, Metallic
White, Yellow, Pale blue, Brittle, Uneven
1.6 Cleavage
[100] perfect [010] imperfect with 79° angle between
Perfect on {100} and {010}, imperfect on {101}
1.7 Mohs Hardness
4-7
8
1.8 Chemical Composition
Not Available
Not Available

Kyanite and Lawsonite Chemical Formula

While comparing Kyanite and Lawsonite 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 Lawsonite chemical formula.

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Kyanite and Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.09 whereas that of Lawsonite is 3.09.