Erythrite and Petoskey Stone Physical Properties

Erythrite and Petoskey Stone Chemical Formula

While comparing Erythrite and Petoskey Stone 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 Erythrite and Petoskey Stone chemical formula.

• Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
• Chemical formula of Petoskey Stone- CaCO3

Erythrite and Petoskey Stone Specific Gravity

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