Verdite and Coral Physical Properties

Verdite and Coral Chemical Formula

While comparing Verdite and Coral 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 Verdite and Coral chemical formula.

• Chemical formula of Verdite- NaFeS2•2(H2O)
• Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

Verdite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Coral Optical Properties during the identification of gemstone. Specific gravity of Verdite is 2.60-2.70 whereas that of Coral is 2.60-2.70.