Opal and Edenite Physical Properties

Opal and Edenite Chemical Formula

While comparing Opal and Edenite 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 Edenite chemical formula.

• Chemical formula of Opal- SiO₂ · nH₂O
• Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

Opal and Edenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Edenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Edenite Optical Properties during the identification of gemstone. Specific gravity of Opal is 3.05-3.37 whereas that of Edenite is 3.05-3.37.