Adularia and Star Sapphire Physical Properties

Adularia and Star Sapphire Chemical Formula

While comparing Adularia and Star Sapphire 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 Adularia and Star Sapphire chemical formula.

• Chemical formula of Adularia- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Adularia and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adularia and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adularia and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Adularia is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.