Pumpellyite and Grossular Physical Properties

Pumpellyite and Grossular Chemical Formula

While comparing Pumpellyite and Grossular 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 Pumpellyite and Grossular chemical formula.

• Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
• Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Pumpellyite and Grossular Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pumpellyite and Grossular Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pumpellyite and Grossular Optical Properties during the identification of gemstone. Specific gravity of Pumpellyite is 3.55-3.73 whereas that of Grossular is 3.55-3.73.