Sapphire and Bytownite Physical Properties

Sapphire

Bytownite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.032.72-2.75

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

None, but may exhibit parting

Perfect on [001], good on [010], imperfect on [110]

1.7 Mohs Hardness

96-6.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Sapphire and Bytownite Chemical Formula

While comparing Sapphire and Bytownite 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 Sapphire and Bytownite chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃
Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sapphire and Bytownite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.