Sodalite and Star Sapphire Physical Properties

Sodalite

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.403.90-4.05

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

Not Available

1.6 Cleavage

Poor on {110}

Not Available

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

Al 2O 3Ulrich Henn and Claudio C.

Sodalite and Star Sapphire Chemical Formula

While comparing Sodalite 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 Sodalite and Star Sapphire chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Sodalite and Star Sapphire Specific Gravity

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