Helenite and Prase Physical Properties

Helenite and Prase Chemical Formula

While comparing Helenite and Prase 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 Prase chemical formula.

>
• Chemical formula of Prase- SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Helenite and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Helenite and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Helenite and Prase Optical Properties during the identification of gemstone. Specific gravity of Helenite is 2.64-2.69 whereas that of Prase is 2.64-2.69.