Phlogopite and Realgar Physical Properties

Phlogopite and Realgar Chemical Formula

While comparing Phlogopite and Realgar 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 Phlogopite and Realgar chemical formula.

• Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2
• Chemical formula of Realgar- AsSMichael O’Donoghue , Gems, Sixth Edition (2006)

Phlogopite and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Realgar Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.56 whereas that of Realgar is 3.56.