Chrome-Chalcedony and Foitite Physical Properties

Chrome-Chalcedony and Foitite Chemical Formula

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

• Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
• Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Chrome-Chalcedony and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Foitite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 3.17 whereas that of Foitite is 3.17.