Hematite and Franklinite Physical Properties

Hematite and Franklinite Chemical Formula

While comparing Hematite and Franklinite 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 Hematite and Franklinite chemical formula.

• Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
• Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Hematite and Franklinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Franklinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Franklinite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 5.05-5.22 whereas that of Franklinite is 5.05-5.22.