Fayalite and Monazite Physical Properties

Fayalite and Monazite Chemical Formula

While comparing Fayalite and Monazite 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 Fayalite and Monazite chemical formula.

• Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Monazite- (Ce,La,Nd,Th)PO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Fayalite and Monazite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Monazite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Monazite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 4.80-5.50 whereas that of Monazite is 4.80-5.50.