Gahnite and Kurnakovite Physical Properties

Gahnite

Kurnakovite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.621.847-1.852

1 7.18

1.5 Fracture

Conchoidal, Uneven

Brittle, Conchoidal

1.6 Cleavage

Indistinct parting on [111]

Poor to indistinct on {010}

1.7 Mohs Hardness

7.5-82-3

2 10

1.8 Chemical Composition

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

Not Available

Gahnite and Kurnakovite Chemical Formula

While comparing Gahnite and Kurnakovite 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 Kurnakovite chemical formula.

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

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Gahnite Vs Howlite

Gahnite Vs Hydrogrossular

Gahnite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.