Kyanite and Aquamarine Physical Properties

Kyanite

Aquamarine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.65

2.66-2.80

1.5 Fracture

Splintery, Brittle, Metallic

Not Available

1.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

3,1 basal

1.7 Mohs Hardness

4-7

7.5-8

1.8 Chemical Composition

Not Available

Be₃Al₂SiO₆

Kyanite and Aquamarine Chemical Formula

While comparing Kyanite and Aquamarine 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 Aquamarine chemical formula.

Chemical formula of Aquamarine- Be₃Al₂SiO₆

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Kyanite and Aquamarine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Aquamarine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Aquamarine Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.66-2.80 whereas that of Aquamarine is 2.66-2.80.