Jet lignite and Sapphire Physical Properties

Jet lignite

Sapphire

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.30-1.343.95-4.03

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Not Available

None, but may exhibit parting

1.7 Mohs Hardness

2.59

2 10

1.8 Chemical Composition

Not Available

Al ₂ O ₃

Jet lignite and Sapphire Chemical Formula

While comparing Jet lignite and Sapphire 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 Sapphire chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃

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Jet lignite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jet lignite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jet lignite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Jet lignite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.