Realgar and Agrellite Physical Properties

Realgar and Agrellite Chemical Formula

While comparing Realgar and Agrellite 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 Realgar and Agrellite chemical formula.

• Chemical formula of Realgar- AsSMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Agrellite- NaCa2Si4O10F

Realgar and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Realgar and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Realgar is 2.88 whereas that of Agrellite is 2.88.