Rose Quartz and Onyx Physical Properties

Rose Quartz and Onyx Chemical Formula

While comparing Rose Quartz 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 Rose Quartz and Onyx chemical formula.

• Chemical formula of Rose Quartz- SiO₂
• Chemical formula of Onyx- SiO₂

Rose Quartz and Onyx Specific Gravity

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