Gahnite and Vlasovite Physical Properties

Gahnite

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

4.00-4.622.97

1 7.18

1.5 Fracture

Conchoidal, Uneven

Conchoidal, Brittle

1.6 Cleavage

Indistinct parting on [111]

Distinct on {010}

1.7 Mohs Hardness

7.5-86

2 10

1.8 Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Gahnite and Vlasovite Chemical Formula

While comparing Gahnite 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 Gahnite and Vlasovite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Gahnite and Vlasovite Specific Gravity

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