Corundum and Serendibite Physical Properties

Corundum

Serendibite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.053.43-3.44

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Difficult, Fibrous

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

None – parting in 3 directions

None Observed

1.7 Mohs Hardness

96.5-7

2 10

1.8 Chemical Composition

Al 2O 3Arthur Thomas , Gemstones (2009)

Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Corundum and Serendibite Chemical Formula

While comparing Corundum and Serendibite 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 Corundum and Serendibite chemical formula.

Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Serendibite- Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Corundum and Serendibite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Corundum and Serendibite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Corundum and Serendibite Optical Properties during the identification of gemstone. Specific gravity of Corundum is 3.43-3.44 whereas that of Serendibite is 3.43-3.44.