Sardonyx and Gedrite Physical Properties

Sardonyx and Gedrite Chemical Formula

While comparing Sardonyx and Gedrite 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 Sardonyx and Gedrite chemical formula.

• Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
• Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Sardonyx and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.