Sugilite and Rubellite Physical Properties

Sugilite and Rubellite Chemical Formula

While comparing Sugilite 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 Sugilite and Rubellite chemical formula.

• Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• 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.

Sugilite and Rubellite Specific Gravity

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