Sanidine and Sapphire Physical Properties

Sanidine

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

2.54-2.613.95-4.03

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{001} Perfect, {010} Good

None, but may exhibit parting

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Al ₂ O ₃

Sanidine and Sapphire Chemical Formula

While comparing Sanidine 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 Sanidine and Sapphire chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Sapphire- Al ₂ O ₃

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Sanidine and Sapphire Specific Gravity

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