Petoskey Stone and Williamsite Physical Properties

Petoskey Stone and Williamsite Chemical Formula

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

• Chemical formula of Petoskey Stone- CaCO3
• Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Petoskey Stone and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Petoskey Stone and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petoskey Stone and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Petoskey Stone is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.