Smaragdite and Erythrite Physical Properties

Smaragdite and Erythrite Chemical Formula

While comparing Smaragdite and Erythrite 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 Smaragdite and Erythrite chemical formula.

• Chemical formula of Smaragdite- NaCa2(Al,Fe)3Si6O18(OH)4
• Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Smaragdite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smaragdite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smaragdite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Smaragdite is 3.06 whereas that of Erythrite is 3.06.