Spessartine and Sugilite Physical Properties

Spessartine and Sugilite Chemical Formula

While comparing Spessartine and Sugilite 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 Spessartine and Sugilite chemical formula.

• Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
• Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Spessartine and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.