Serendibite and Onyx Physical Properties

Serendibite and Onyx Chemical Formula

While comparing Serendibite 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 Serendibite and Onyx chemical formula.

• Chemical formula of Serendibite- Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Onyx- SiO₂

Serendibite and Onyx Specific Gravity

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