Ruby and Pyrite Marcasite Physical Properties

Ruby and Pyrite Marcasite Chemical Formula

While comparing Ruby and Pyrite Marcasite 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 Ruby and Pyrite Marcasite chemical formula.

• Chemical formula of Ruby- Al ₂ O ₃
• Chemical formula of Pyrite Marcasite- FeS2

Ruby and Pyrite Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Pyrite Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Pyrite Marcasite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 4.9-5.2 whereas that of Pyrite Marcasite is 4.9-5.2.