Cordierite and Selenite Physical Properties

Cordierite and Selenite Chemical Formula

While comparing Cordierite 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 Cordierite and Selenite chemical formula.

• Chemical formula of Cordierite- Mg2Al4Si5O18
• Chemical formula of Selenite- CaSO4·2H2O

Cordierite and Selenite Specific Gravity

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