Lawsonite and Star Sapphire Physical Properties

Lawsonite

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.093.90-4.05

1 7.18

1.5 Fracture

White, Yellow, Pale blue, Brittle, Uneven

Not Available

1.6 Cleavage

Perfect on {100} and {010}, imperfect on {101}

Not Available

1.7 Mohs Hardness

8Not Available

2 10

1.8 Chemical Composition

Not Available

Al 2O 3Ulrich Henn and Claudio C.

Lawsonite and Star Sapphire Chemical Formula

While comparing Lawsonite 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 Lawsonite and Star Sapphire chemical formula.

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

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Lawsonite Vs Sylvite

Lawsonite and Star Sapphire Specific Gravity

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