Alexandrite and Weloganite Physical Properties

Alexandrite

Weloganite

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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

3.20-3.22

1.5 Fracture

Not Available

Conchoidal, Brittle

1.6 Cleavage

1,1 ; 3,2.

Perfect on pseudo {0001}

1.7 Mohs Hardness

8.5

1.8 Chemical Composition

BeAl ₂ O ₄

Not Available

Alexandrite and Weloganite Chemical Formula

While comparing Alexandrite and Weloganite 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 Weloganite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

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Alexandrite and Weloganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Weloganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Weloganite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.20-3.22 whereas that of Weloganite is 3.20-3.22.