Hollandite and Ruby Physical Properties

Hollandite and Ruby Chemical Formula

While comparing Hollandite and Ruby 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 Hollandite and Ruby chemical formula.

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

Hollandite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.