Quartz and Ruby Physical Properties

Quartz and Ruby Chemical Formula

While comparing Quartz 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 Quartz and Ruby chemical formula.

• Chemical formula of Quartz- SiO₂
• Chemical formula of Ruby- Al ₂ O ₃

Quartz and Ruby Specific Gravity

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