Kyanite and Riebeckite Physical Properties

Kyanite

Riebeckite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.653.28-3.44

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Uneven, Splintery, Brittle

1.6 Cleavage

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

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

4-75.0-6.0

2 10

1.8 Chemical Composition

Not Available

Kyanite and Riebeckite Chemical Formula

While comparing Kyanite and Riebeckite 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 Riebeckite chemical formula.

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Kyanite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.