Common Opal and Tinzenite Physical Properties

Common Opal and Tinzenite Chemical Formula

While comparing Common Opal and Tinzenite 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 Tinzenite chemical formula.

• Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
• Chemical formula of Tinzenite- (Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)

Common Opal and Tinzenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Common Opal and Tinzenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Common Opal and Tinzenite Optical Properties during the identification of gemstone. Specific gravity of Common Opal is 3.355-3.433 whereas that of Tinzenite is 3.355-3.433.