Franklinite and Mellite Physical Properties

Franklinite and Mellite Chemical Formula

While comparing Franklinite and Mellite 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 Mellite chemical formula.

• Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
• Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Franklinite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.