Painite and Star Ruby Physical Properties

Painite and Star Ruby Chemical Formula

While comparing Painite 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 Painite and Star Ruby chemical formula.

• Chemical formula of Painite- CaZrBAl 9O 18Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Painite and Star Ruby Specific Gravity

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