Ruby and Diamond Physical Properties

Ruby

Diamond

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.053.50-3.53

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

No true cleavage

111 (perfect in four directions)

1.7 Mohs Hardness

910

2 10

1.8 Chemical Composition

Al ₂ O ₃

Ruby and Diamond Chemical Formula

While comparing Ruby and Diamond 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 Diamond chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Diamond- C

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Ruby and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Diamond Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.50-3.53 whereas that of Diamond is 3.50-3.53.