Pumpellyite and Dumortierite Physical Properties

Pumpellyite and Dumortierite Chemical Formula

While comparing Pumpellyite and Dumortierite 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 Dumortierite 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 Dumortierite- AlAl₆O₃BSi₃O₁₈

Pumpellyite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pumpellyite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pumpellyite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Pumpellyite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.