Alexandrite and Tigers Eye Physical Properties

Alexandrite

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

3.69-3.81

2.58-2.64

1.5 Fracture

Not Available

Gems, Sixth Edition (2006)

1.6 Cleavage

1,1 ; 3,2.

Indiscernible

1.7 Mohs Hardness

8.5

6.5-7

1.8 Chemical Composition

BeAl ₂ O ₄

SiO₂

Alexandrite and Tigers Eye Chemical Formula

While comparing Alexandrite 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 Alexandrite and Tigers Eye chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Tigers Eye- SiO₂

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Alexandrite and Tigers Eye Specific Gravity

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