Gedrite and Fayalite Physical Properties

Gedrite and Fayalite Chemical Formula

While comparing Gedrite 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 Gedrite and Fayalite chemical formula.

• Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
• Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Gedrite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 4.392 whereas that of Fayalite is 4.392.