Shattuckite and Corundum Physical Properties

Shattuckite

Corundum

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.80-4.153.90-4.05

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven, Uneven, Gems, Difficult, Fibrous

1.6 Cleavage

perfect along [010] and [100]

None – parting in 3 directions

1.7 Mohs Hardness

3.5-49

2 10

1.8 Chemical Composition

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

Al 2O 3Arthur Thomas , Gemstones (2009)

Shattuckite and Corundum Chemical Formula

While comparing Shattuckite and Corundum 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 Shattuckite and Corundum chemical formula.

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

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Shattuckite and Corundum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shattuckite and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shattuckite and Corundum Optical Properties during the identification of gemstone. Specific gravity of Shattuckite is 3.90-4.05 whereas that of Corundum is 3.90-4.05.