Blue spinel and Pumpellyite Physical Properties

Blue spinel and Pumpellyite Chemical Formula

While comparing Blue spinel 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 Blue spinel 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.

Blue spinel and Pumpellyite Specific Gravity

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