Plumbogummite and Pumpellyite Physical Properties

Plumbogummite and Pumpellyite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Pumpellyite chemical formula.

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

Plumbogummite and Pumpellyite Specific Gravity

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