Selenite and Petoskey Stone Physical Properties

Selenite and Petoskey Stone Chemical Formula

While comparing Selenite 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 Selenite and Petoskey Stone chemical formula.

• Chemical formula of Selenite- CaSO4·2H2O
• Chemical formula of Petoskey Stone- CaCO3

Selenite and Petoskey Stone Specific Gravity

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