Sphalerite and Pumpellyite Physical Properties

Sphalerite and Pumpellyite Chemical Formula

While comparing Sphalerite and Pumpellyite 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 Sphalerite and Pumpellyite chemical formula.

• Chemical formula of Sphalerite- (Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

Sphalerite and Pumpellyite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Pumpellyite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Pumpellyite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3.20-3.30 whereas that of Pumpellyite is 3.20-3.30.