Jelly Opal and Selenite Physical Properties

Jelly Opal and Selenite Chemical Formula

While comparing Jelly Opal and Selenite 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 Jelly Opal and Selenite chemical formula.

• Chemical formula of Jelly Opal- SiO2*nH2O
• Chemical formula of Selenite- CaSO4·2H2O

Jelly Opal and Selenite Specific Gravity

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