Gahnite and Vishnevite Physical Properties

Gahnite

Vishnevite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.62Not Available

1 7.18

1.5 Fracture

Conchoidal, Uneven

Brittle, Uneven

1.6 Cleavage

Indistinct parting on [111]

Perfect

1.7 Mohs Hardness

7.5-85-6

2 10

1.8 Chemical Composition

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

Not Available

Gahnite and Vishnevite Chemical Formula

While comparing Gahnite and Vishnevite 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 Vishnevite chemical formula.

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

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Gahnite Vs Howlite

Gahnite and Vishnevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Vishnevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Vishnevite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is Not Available whereas that of Vishnevite is Not Available.