Kurnakovite and Sapphire Physical Properties

Kurnakovite

Sapphire

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.847-1.8523.95-4.03

1 7.18

1.5 Fracture

Brittle, Conchoidal

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Poor to indistinct on {010}

None, but may exhibit parting

1.7 Mohs Hardness

2-39

2 10

1.8 Chemical Composition

Not Available

Al ₂ O ₃

Kurnakovite and Sapphire Chemical Formula

While comparing Kurnakovite and Sapphire 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 Kurnakovite and Sapphire chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃

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Kurnakovite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kurnakovite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kurnakovite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Kurnakovite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.