Gibbsite and Tigers Eye Physical Properties

Gibbsite

Tigers 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

Gems, Sixth Edition (2006)

1.6 Cleavage

{001} Perfect

Indiscernible

1.7 Mohs Hardness

2.5-36.5-7

2 10

1.8 Chemical Composition

Al(OH)3

SiO₂

Gibbsite and Tigers Eye Chemical Formula

While comparing Gibbsite and Tigers 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 Tigers Eye chemical formula.

Chemical formula of Gibbsite- Al(OH)3
Chemical formula of Tigers Eye- SiO₂

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Gibbsite and Tigers Eye Specific Gravity

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