Cordierite and Falcons Eye Physical Properties

Cordierite

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

2.57-2.662.58-2.64

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Gemstones of the world (2001)

1.6 Cleavage

Fair on {100}, poor on {001} and {010}

Not Available

1.7 Mohs Hardness

7-7.57

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

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

Cordierite and Falcons Eye Chemical Formula

While comparing Cordierite 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 Cordierite and Falcons Eye chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)

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Cordierite and Falcons Eye Specific Gravity

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