Spinel and Fayalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
none
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.64-3.66
4.392
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
None, but may exhibit slight parting
{010} moderate, {100} imperfect
Chemical Composition
MgAl2O4
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Spinel and Fayalite Chemical Formula
While comparing Spinel and Fayalite 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 Fayalite chemical formula.
- Chemical formula of Spinel- MgAl2O4
- Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Spinel and Fayalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spinel and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 4.392 whereas that of Fayalite is 4.392.