Sapphire and Kurnakovite Physical Properties

Sapphire

Kurnakovite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.031.847-1.852

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Brittle, Conchoidal

1.6 Cleavage

None, but may exhibit parting

Poor to indistinct on {010}

1.7 Mohs Hardness

92-3

2 10

1.8 Chemical Composition

Al ₂ O ₃

Not Available

Sapphire and Kurnakovite Chemical Formula

While comparing Sapphire 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 Sapphire and Kurnakovite chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃

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Sapphire and Kurnakovite Specific Gravity

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