Vlasovite and Verdelite Physical Properties

Vlasovite

Verdelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

Nearly insoluble in HCl and HNO₃

2.97

Conchoidal

Distinct on {010}

2.90-3.40

Conchoidal

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Vlasovite and Verdelite Chemical Formula

While comparing Vlasovite and Verdelite 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 Verdelite chemical formula.

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Vlasovite and Verdelite Specific Gravity

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