Alexandrite and Titanite Physical Properties

Alexandrite

Titanite

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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

3.48-3.60

1.5 Fracture

Not Available

Sub-Conchoidal, Conchoidal, Brittle

1.6 Cleavage

1,1 ; 3,2.

Distinct on [110], parting on {221}

1.7 Mohs Hardness

8.5

5-5.5

1.8 Chemical Composition

BeAl ₂ O ₄

Not Available

Alexandrite and Titanite Chemical Formula

While comparing Alexandrite and Titanite 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 Titanite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

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Alexandrite and Titanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Titanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Titanite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.48-3.60 whereas that of Titanite is 3.48-3.60.