Adularia and Chrome-Chalcedony Physical Properties

Adularia and Chrome-Chalcedony Chemical Formula

While comparing Adularia and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

• Chemical formula of Adularia- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Adularia and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adularia and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adularia and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Adularia is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.