Ruby Zoisite and Polyhalite Physical Properties

Ruby Zoisite and Polyhalite Chemical Formula

While comparing Ruby Zoisite and Polyhalite 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 Zoisite and Polyhalite chemical formula.

• Chemical formula of Ruby Zoisite- Al2SiO5
• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Ruby Zoisite and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby Zoisite and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby Zoisite and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Ruby Zoisite is 2.78 whereas that of Polyhalite is 2.78.