Realgar and Matrix Opal Physical Properties

Realgar and Matrix Opal Chemical Formula

While comparing Realgar and Matrix Opal 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 Matrix Opal chemical formula.

• Chemical formula of Realgar- AsSMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Matrix Opal- SiO2·nH2O

Realgar and Matrix Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Realgar and Matrix Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Matrix Opal Optical Properties during the identification of gemstone. Specific gravity of Realgar is 1.98-2.50 whereas that of Matrix Opal is 1.98-2.50.