Corundum and Shattuckite Physical Properties

Corundum

Shattuckite

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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

3.90-4.053.80-4.15

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Difficult, Fibrous

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

None – parting in 3 directions

perfect along [010] and [100]

1.7 Mohs Hardness

93.5-4

2 10

1.8 Chemical Composition

Al 2O 3Arthur Thomas , Gemstones (2009)

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Corundum and Shattuckite Chemical Formula

While comparing Corundum and Shattuckite 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 Shattuckite chemical formula.

Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Corundum and Shattuckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Corundum and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Corundum and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Corundum is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.