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Corundum
Corundum

Microlite
Microlite



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Corundum
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Microlite

Corundum and Microlite 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
3.90-4.055.5
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
None – parting in 3 directions
{111} Indistinct, {111} Indistinct, {111} Indistinct
1.7 Mohs Hardness
95-5.5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Corundum and Microlite Chemical Formula

While comparing Corundum and Microlite 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 Microlite chemical formula.

  • Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Corundum and Microlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Corundum and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Corundum and Microlite Optical Properties during the identification of gemstone. Specific gravity of Corundum is 5.5 whereas that of Microlite is 5.5.