Common Opal and Dumortierite quartz Physical Properties

Common Opal and Dumortierite quartz Chemical Formula

While comparing Common Opal and Dumortierite quartz 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 Common Opal and Dumortierite quartz chemical formula.

• Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
• Chemical formula of Dumortierite quartz- Al7BO3(SiO4)3O3

Common Opal and Dumortierite quartz Specific Gravity

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