Spessartine and Gahnite Physical Properties

Spessartine and Gahnite Chemical Formula

While comparing Spessartine and Gahnite 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 Gahnite chemical formula.

• Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
• Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Spessartine and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.