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Kyanite
Kyanite

Moissanite
Moissanite



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Kyanite
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Moissanite

Kyanite and Moissanite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
none
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.53-3.65
3.17-3.24
1.5 Fracture
Splintery, Brittle, Metallic
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
1.6 Cleavage
[100] perfect [010] imperfect with 79° angle between
(0001) indistinct
1.7 Mohs Hardness
4-7
9-9.5
1.8 Chemical Composition
Not Available
SiCArthur Thomas , Gemstones (2009)

Kyanite and Moissanite Chemical Formula

While comparing Kyanite and Moissanite 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 Moissanite chemical formula.

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  • Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)

Kyanite and Moissanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Moissanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Moissanite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.17-3.24 whereas that of Moissanite is 3.17-3.24.