Hackmanite and Star Sapphire Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.27-2.33
3.90-4.05
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Not Available
Cleavage
Not Available
Not Available
Mohs Hardness
5.5-6
Not Available
Chemical Composition
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Al 2O 3Ulrich Henn and Claudio C.
Hackmanite and Star Sapphire Chemical Formula
While comparing Hackmanite and Star Sapphire 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 Hackmanite and Star Sapphire chemical formula.
- Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Hackmanite and Star Sapphire Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hackmanite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.