Spodumene and Fayalite Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.15-3.21
4.392
Fracture
Uneven, Subconchoidal, Gemstones (2009)
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
{010} moderate, {100} imperfect
Chemical Composition
LiAlSi2O6
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Spodumene and Fayalite Chemical Formula
While comparing Spodumene 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 Spodumene and Fayalite chemical formula.
- Chemical formula of Spodumene- LiAlSi2O6
- Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Spodumene and Fayalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spodumene and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 4.392 whereas that of Fayalite is 4.392.