Spinel and Hackmanite Physical Properties
Tenacity
Not Available
Not Available
Solubility
none
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.64-3.66
2.27-2.33
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
None, but may exhibit slight parting
Not Available
Chemical Composition
MgAl2O4
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Spinel and Hackmanite Chemical Formula
While comparing Spinel and Hackmanite 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 Spinel and Hackmanite chemical formula.
- Chemical formula of Spinel- MgAl2O4
- Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Spinel and Hackmanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spinel and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.