Sapphire and Imperial Topaz Physical Properties

Sapphire

Imperial Topaz

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.033.49-3.57

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Uneven

1.6 Cleavage

None, but may exhibit parting

Not Available

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Al ₂ O ₃

Not Available

Sapphire and Imperial Topaz Chemical Formula

While comparing Sapphire and Imperial Topaz 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 Imperial Topaz chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃

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Sapphire and Imperial Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Imperial Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Imperial Topaz Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.49-3.57 whereas that of Imperial Topaz is 3.49-3.57.