Tanzanite and Vlasovite Physical Properties

Tanzanite

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

Hard

Not Available

1.4 Specific Gravity

3.352.97

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Conchoidal, Brittle

1.6 Cleavage

Perfect {010}, imperfect {100}

Distinct on {010}

1.7 Mohs Hardness

6.5-76

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Not Available

Tanzanite and Vlasovite Chemical Formula

While comparing Tanzanite 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 Tanzanite and Vlasovite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Tanzanite and Vlasovite Specific Gravity

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