Corundum and Catapleiite Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.90-4.05
2.72
Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
Brittle, Metallic, Brittle, Metallic
Cleavage
None – parting in 3 directions
{110} Perfect, {010} Perfect
Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Corundum and Catapleiite Chemical Formula
While comparing Corundum and Catapleiite 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 Catapleiite chemical formula.
- Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Corundum and Catapleiite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Corundum and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Corundum and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Corundum is 2.72 whereas that of Catapleiite is 2.72.