Alexandrite and Vlasovite Physical Properties

Alexandrite

Vlasovite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Nearly insoluble in HCl and HNO₃

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.812.97

1 7.18

1.5 Fracture

Not Available

Conchoidal, Brittle

1.6 Cleavage

1,1 ; 3,2.

Distinct on {010}

1.7 Mohs Hardness

8.56

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Not Available

Alexandrite and Vlasovite Chemical Formula

While comparing Alexandrite and Vlasovite 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 Vlasovite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

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Alexandrite and Vlasovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Vlasovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Vlasovite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.97 whereas that of Vlasovite is 2.97.