Kurnakovite and Star Sapphire Physical Properties

Kurnakovite

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.847-1.8523.90-4.05

1 7.18

1.5 Fracture

Brittle, Conchoidal

Not Available

1.6 Cleavage

Poor to indistinct on {010}

Not Available

1.7 Mohs Hardness

2-3Not Available

2 10

1.8 Chemical Composition

Not Available

Al 2O 3Ulrich Henn and Claudio C.

Kurnakovite and Star Sapphire Chemical Formula

While comparing Kurnakovite and Star 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 Star Sapphire chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Kurnakovite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kurnakovite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kurnakovite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Kurnakovite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.