Cymophane and Star Ruby Physical Properties

Cymophane and Star Ruby Chemical Formula

While comparing Cymophane and Star 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 Cymophane and Star Ruby chemical formula.

• Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)
• Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Cymophane and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cymophane and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cymophane and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Cymophane is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.