Friedelite and Marcasite Physical Properties

Friedelite and Marcasite Chemical Formula

While comparing Friedelite and Marcasite 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 Friedelite and Marcasite chemical formula.

• Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
• Chemical formula of Marcasite- FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Friedelite and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.