Bronzite and Common Opal Physical Properties

Bronzite and Common Opal Chemical Formula

While comparing Bronzite and Common Opal 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 Bronzite and Common Opal chemical formula.

• Chemical formula of Bronzite- (Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.
• Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Bronzite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bronzite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bronzite and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Bronzite is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.