Kyanite and Falcons Eye Physical Properties

Kyanite

Falcons 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

3.53-3.652.58-2.64

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Gemstones of the world (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

4-77

2 10

1.8 Chemical Composition

Not Available

SiO 2Walter Schumann , Gemstones of the world (2001)

Kyanite and Falcons Eye Chemical Formula

While comparing Kyanite and Falcons 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 Falcons Eye chemical formula.

Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)

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Kyanite and Falcons Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Falcons Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Falcons Eye Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.58-2.64 whereas that of Falcons Eye is 2.58-2.64.