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Kyanite
Kyanite

Coral
Coral



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Kyanite
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Coral

Kyanite and Coral Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.53-3.652.60-2.70
Amber
1 7.18
1.5 Fracture
Splintery, Brittle, Metallic
Irregular, Irregular, Gemstones of the world (2001)
1.6 Cleavage
[100] perfect [010] imperfect with 79° angle between
Not Available
1.7 Mohs Hardness
4-73-4
Amber
2 10
1.8 Chemical Composition
Not Available
CaCO 3Ulrich Henn and Claudio C.

Kyanite and Coral Chemical Formula

While comparing Kyanite and Coral 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 Coral chemical formula.

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  • Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

Kyanite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Coral Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.60-2.70 whereas that of Coral is 2.60-2.70.