Adularia and Sard Physical Properties

Adularia and Sard Chemical Formula

While comparing Adularia and Sard 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 Sard chemical formula.

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

Adularia and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adularia and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adularia and Sard Optical Properties during the identification of gemstone. Specific gravity of Adularia is 2.58-2.63 whereas that of Sard is 2.58-2.63.