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Corundum
Corundum

Clinozoisite
Clinozoisite



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Corundum
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Clinozoisite

Corundum and Clinozoisite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.90-4.053.21-3.38
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
Irregular/uneven, Uneven
1.6 Cleavage
None – parting in 3 directions
Perfect on {001}
1.7 Mohs Hardness
96-7
Amber
2 10
1.8 Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Corundum and Clinozoisite Chemical Formula

While comparing Corundum and Clinozoisite 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 Clinozoisite chemical formula.

  • Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Corundum and Clinozoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Corundum and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Corundum and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Corundum is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.