Serandite and Sapphire Physical Properties

Serandite

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

3.523.95-4.03

1 7.18

1.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001)

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{100} Perfect, {001} Perfect

None, but may exhibit parting

1.7 Mohs Hardness

5-5.59

2 10

1.8 Chemical Composition

Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Al ₂ O ₃

Serandite and Sapphire Chemical Formula

While comparing Serandite 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 Serandite and Sapphire chemical formula.

Chemical formula of Serandite- Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Sapphire- Al ₂ O ₃

Compare Gems Found in America

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Serandite and Sapphire Specific Gravity

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