Xonotlite and Opal Physical Properties

Xonotlite and Opal Chemical Formula

While comparing Xonotlite and 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 Xonotlite and Opal chemical formula.

• Chemical formula of Xonotlite- Ca 6Si 6O 17(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Opal- SiO₂ · nH₂O

Xonotlite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Xonotlite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Xonotlite and Opal Optical Properties during the identification of gemstone. Specific gravity of Xonotlite is 1.98-2.25 whereas that of Opal is 1.98-2.25.