Forsterite and Cordierite Physical Properties

Forsterite and Cordierite Chemical Formula

While comparing Forsterite and Cordierite 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 Forsterite and Cordierite chemical formula.

• Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Cordierite- Mg2Al4Si5O18

Forsterite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.