Ruby and Hollandite Physical Properties

Ruby and Hollandite Chemical Formula

While comparing Ruby and Hollandite 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 Hollandite chemical formula.

• Chemical formula of Ruby- Al ₂ O ₃
• Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

Ruby and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 5.05 whereas that of Hollandite is 5.05.