Franklinite and Gypsum Physical Properties

Franklinite and Gypsum Chemical Formula

While comparing Franklinite and Gypsum 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 Gypsum chemical formula.

• Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
• Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Franklinite and Gypsum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Gypsum Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.20-2.40 whereas that of Gypsum is 2.20-2.40.