Garnet and Corundum Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
insoluble
Durability
Not Available
Not Available
Specific Gravity
3.55-4.33
3.90-4.05
Fracture
Conchoidal, Uneven
Uneven, Uneven, Gems, Difficult, Fibrous
Cleavage
Indistinct
None – parting in 3 directions
Chemical Composition
Garnet is a series of several different minerals with unique chemical formulas.
Al 2O 3Arthur Thomas , Gemstones (2009)
Garnet and Corundum Chemical Formula
While comparing Garnet 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 Garnet and Corundum chemical formula.
- Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
- Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
Garnet and Corundum Specific Gravity
Another important criteria for qualitative analysis of gemstones is Garnet and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Garnet and Corundum Optical Properties during the identification of gemstone. Specific gravity of Garnet is 3.90-4.05 whereas that of Corundum is 3.90-4.05.