Adularia and Rock Crystal Physical Properties

Adularia and Rock Crystal Chemical Formula

While comparing Adularia and Rock Crystal 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 Rock Crystal chemical formula.

• Chemical formula of Adularia- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)

Adularia and Rock Crystal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adularia and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adularia and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Adularia is 2.65 whereas that of Rock Crystal is 2.65.