White Opal and Williamsite Physical Properties

White Opal and Williamsite Chemical Formula

While comparing White Opal and Williamsite 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 White Opal and Williamsite chemical formula.

• Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
• Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

White Opal and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Williamsite Optical Properties during the identification of gemstone. Specific gravity of White Opal is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.