Helenite and Hessonite Physical Properties

Helenite and Hessonite Chemical Formula

While comparing Helenite and Hessonite 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 Helenite and Hessonite chemical formula.

• Chemical formula of Helenite- SiO₂
• Chemical formula of Hessonite- Ca3Al2(SiO4)3

Helenite and Hessonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Helenite and Hessonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Helenite and Hessonite Optical Properties during the identification of gemstone. Specific gravity of Helenite is 3.55-3.73 whereas that of Hessonite is 3.55-3.73.