Opal and Augite Physical Properties

Opal and Augite Chemical Formula

While comparing Opal and Augite 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 Opal and Augite chemical formula.

• Chemical formula of Opal- SiO₂ · nH₂O
• Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Opal and Augite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Augite Optical Properties during the identification of gemstone. Specific gravity of Opal is 3.19-3.56 whereas that of Augite is 3.19-3.56.