Kyanite and Cat s Eye Physical Properties

Kyanite

Cat s Eye

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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

3.53-3.653.5-3.8

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Not Available

1.6 Cleavage

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

1,1 ; 3,2

1.7 Mohs Hardness

4-78.5

2 10

1.8 Chemical Composition

Not Available

BeAl ₂ O ₄

Kyanite and Cat s Eye Chemical Formula

While comparing Kyanite and Cat s Eye 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 Cat s Eye chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄

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Kyanite and Cat s Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Cat s Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Cat s Eye Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.5-3.8 whereas that of Cat s Eye is 3.5-3.8.