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Corundum
Corundum

Liddicoatite
Liddicoatite



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Corundum
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Liddicoatite

Corundum and Liddicoatite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.90-4.053.02
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
1.6 Cleavage
None – parting in 3 directions
{0001} Poor
1.7 Mohs Hardness
9Not Available
Amber
2 10
1.8 Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Corundum and Liddicoatite Chemical Formula

While comparing Corundum and Liddicoatite 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 Liddicoatite chemical formula.

  • Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Corundum and Liddicoatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Corundum and Liddicoatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Corundum and Liddicoatite Optical Properties during the identification of gemstone. Specific gravity of Corundum is 3.02 whereas that of Liddicoatite is 3.02.