Vlasovite and Alexandrite Physical Properties

Vlasovite

Alexandrite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Nearly insoluble in HCl and HNO₃

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.973.69-3.81

1 7.18

1.5 Fracture

Conchoidal, Brittle

Not Available

1.6 Cleavage

Distinct on {010}

1,1 ; 3,2.

1.7 Mohs Hardness

68.5

2 10

1.8 Chemical Composition

Not Available

BeAl ₂ O ₄

Vlasovite and Alexandrite Chemical Formula

While comparing Vlasovite and Alexandrite 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 Vlasovite and Alexandrite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

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Vlasovite and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vlasovite and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vlasovite and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Vlasovite is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.