Zoisite and Spessartine Physical Properties

Zoisite and Spessartine Chemical Formula

While comparing Zoisite and Spessartine 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 Zoisite and Spessartine chemical formula.

• Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
• Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Zoisite and Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Spessartine Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 4.12-4.18 whereas that of Spessartine is 4.12-4.18.