Precious Opal and Datolite Physical Properties

Precious Opal and Datolite Chemical Formula

While comparing Precious Opal and Datolite 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 Precious Opal and Datolite chemical formula.

• Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
• Chemical formula of Datolite- CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Precious Opal and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Datolite Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 2.90-3.00 whereas that of Datolite is 2.90-3.00.