Foitite and Cymophane Physical Properties

Foitite and Cymophane Chemical Formula

While comparing Foitite and Cymophane 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 Foitite and Cymophane chemical formula.

• 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)
• Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)

Foitite and Cymophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Foitite and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Foitite and Cymophane Optical Properties during the identification of gemstone. Specific gravity of Foitite is 3.69-3.81 whereas that of Cymophane is 3.69-3.81.