Jet lignite and Ruby Physical Properties

Jet lignite

Ruby

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.30-1.34

3.97-4.05

1.5 Fracture

Not Available

Conchoidal

1.6 Cleavage

Not Available

No true cleavage

1.7 Mohs Hardness

2.5

1.8 Chemical Composition

Not Available

Al ₂ O ₃

Jet lignite and Ruby Chemical Formula

While comparing Jet lignite and Ruby 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 Jet lignite and Ruby chemical formula.

Chemical formula of Ruby- Al ₂ O ₃

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Jet lignite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jet lignite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jet lignite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Jet lignite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.