Adularia and Tourmaline Physical Properties

Adularia and Tourmaline Chemical Formula

While comparing Adularia and Tourmaline 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 Tourmaline chemical formula.

• Chemical formula of Adularia- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Adularia and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adularia and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adularia and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Adularia is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.