Kyanite and Shigaite Physical Properties

Kyanite

Shigaite

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1 Physical Properties

1.1 Tenacity

Brittle

Moderately ﬂexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.652.32

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Flexible Flexible fragments.

1.6 Cleavage

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

Perfect on {0001}

1.7 Mohs Hardness

4-72

2 10

1.8 Chemical Composition

Not Available

Kyanite and Shigaite Chemical Formula

While comparing Kyanite and Shigaite 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 Shigaite chemical formula.

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Kyanite and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.32 whereas that of Shigaite is 2.32.