Nickeline and Sapphire Physical Properties

Nickeline

Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.95-4.03

1 7.18

1.5 Fracture

Conchoidal, Uneven

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

None, but may exhibit parting

1.7 Mohs Hardness

5-5.59

2 10

1.8 Chemical Composition

Not Available

Al ₂ O ₃

Nickeline and Sapphire Chemical Formula

While comparing Nickeline 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 Nickeline and Sapphire chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃

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Nickeline and Sapphire Specific Gravity

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