Cordierite and Verdite Physical Properties

Cordierite and Verdite Chemical Formula

While comparing Cordierite and Verdite 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 Verdite chemical formula.

• Chemical formula of Cordierite- Mg2Al4Si5O18
• Chemical formula of Verdite- NaFeS2•2(H2O)

Cordierite and Verdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.