Sard and Chrome-Chalcedony Physical Properties

Sard and Chrome-Chalcedony Chemical Formula

While comparing Sard and Chrome-Chalcedony 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 Sard and Chrome-Chalcedony chemical formula.

• Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
• Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Sard and Chrome-Chalcedony Specific Gravity

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