Helenite and Serandite Physical Properties

Helenite and Serandite Chemical Formula

While comparing Helenite and Serandite 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 Serandite chemical formula.

• Chemical formula of Helenite- SiO₂
• Chemical formula of Serandite- Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael O’Donoghue , Gems, Sixth Edition (2006)

Helenite and Serandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Helenite and Serandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Helenite and Serandite Optical Properties during the identification of gemstone. Specific gravity of Helenite is 3.52 whereas that of Serandite is 3.52.