Prasiolite and Onyx Physical Properties

Prasiolite and Onyx Chemical Formula

While comparing Prasiolite and Onyx 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 Prasiolite and Onyx chemical formula.

• Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
• Chemical formula of Onyx- SiO₂

Prasiolite and Onyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prasiolite and Onyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prasiolite and Onyx Optical Properties during the identification of gemstone. Specific gravity of Prasiolite is 2.55-2.70 whereas that of Onyx is 2.55-2.70.