Gibbsite and Falcons Eye Physical Properties

Gibbsite

Falcons Eye

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.352.58-2.64

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Gemstones of the world (2001)

1.6 Cleavage

{001} Perfect

Not Available

1.7 Mohs Hardness

2.5-37

2 10

1.8 Chemical Composition

Al(OH)3

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

Gibbsite and Falcons Eye Chemical Formula

While comparing Gibbsite 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 Gibbsite and Falcons Eye chemical formula.

Chemical formula of Gibbsite- Al(OH)3
Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)

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Gibbsite and Falcons Eye Specific Gravity

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