Onyx and Sulphur Physical Properties

Onyx and Sulphur Chemical Formula

While comparing Onyx and Sulphur 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 Onyx and Sulphur chemical formula.

• Chemical formula of Onyx- SiO₂
• Chemical formula of Sulphur- SWalter Schumann , Gemstones of the world (2001)

Onyx and Sulphur Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Sulphur Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Sulphur Optical Properties during the identification of gemstone. Specific gravity of Onyx is 2.05-2.08 whereas that of Sulphur is 2.05-2.08.