Sapphire and Villiaumite Physical Properties

Sapphire

Villiaumite

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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

3.95-4.032.79

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Brittle, Metallic

1.6 Cleavage

None, but may exhibit parting

{100} Perfect, {010} Perfect, {001} Perfect

1.7 Mohs Hardness

2 10

1.2 Chemical Composition

Al ₂ O ₃

NaFUlrich Henn and Claudio C.

Sapphire and Villiaumite Chemical Formula

While comparing Sapphire and Villiaumite 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 Villiaumite chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃
Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.

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Sapphire and Villiaumite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Villiaumite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Villiaumite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.79 whereas that of Villiaumite is 2.79.