Ruby and Jet lignite Physical Properties

Ruby

Jet lignite

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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

3.97-4.051.30-1.34

1 7.18

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

No true cleavage

Not Available

1.7 Mohs Hardness

92.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

Not Available

Ruby and Jet lignite Chemical Formula

While comparing Ruby and Jet lignite 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 lignite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃

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Ruby and Jet lignite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Jet lignite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Jet lignite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 1.30-1.34 whereas that of Jet lignite is 1.30-1.34.