Rubellite and Inderite Physical Properties

Rubellite and Inderite Chemical Formula

While comparing Rubellite and Inderite 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 Rubellite and Inderite chemical formula.

• 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.
• Chemical formula of Inderite- MgB 3O 3(OH) 5 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Rubellite and Inderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Inderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Inderite Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 1.79 whereas that of Inderite is 1.79.