Ruby and Jet Physical Properties

Ruby

Jet

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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

3.97-4.051.19-1.35

1 7.18

1.5 Fracture

Conchoidal

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

No true cleavage

Not Available

1.7 Mohs Hardness

92.5-4

2 10

1.8 Chemical Composition

Al ₂ O ₃

Not Available

Ruby and Jet Chemical Formula

While comparing Ruby and Jet 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 Jet chemical formula.

Chemical formula of Ruby- Al ₂ O ₃

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Ruby and Jet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Jet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Jet Optical Properties during the identification of gemstone. Specific gravity of Ruby is 1.19-1.35 whereas that of Jet is 1.19-1.35.