Ruby and Lawsonite Physical Properties

Ruby

Lawsonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.053.09

1 7.18

1.5 Fracture

Conchoidal

White, Yellow, Pale blue, Brittle, Uneven

1.6 Cleavage

No true cleavage

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Al ₂ O ₃

Not Available

Ruby and Lawsonite Chemical Formula

While comparing Ruby and Lawsonite 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 Ruby and Lawsonite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃

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Ruby and Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.09 whereas that of Lawsonite is 3.09.