Franklinite and Forsterite Physical Properties

Franklinite and Forsterite Chemical Formula

While comparing Franklinite and Forsterite 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 Franklinite and Forsterite chemical formula.

• Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
• Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Franklinite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.