Omphacite and Rubellite Physical Properties

Omphacite and Rubellite Chemical Formula

While comparing Omphacite and Rubellite 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 Omphacite and Rubellite chemical formula.

• Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
• Chemical formula of Rubellite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Omphacite and Rubellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Rubellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Rubellite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 3.01-3.06 whereas that of Rubellite is 3.01-3.06.