Onyx and Bornite Physical Properties

Onyx and Bornite Chemical Formula

While comparing Onyx and Bornite 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 Bornite chemical formula.

• Chemical formula of Onyx- SiO₂
• Chemical formula of Bornite- Cu5FeS4

Onyx and Bornite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Bornite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Bornite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 5.06-5.08 whereas that of Bornite is 5.06-5.08.