Rossmanite and Prase Physical Properties

Rossmanite and Prase Chemical Formula

While comparing Rossmanite 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 Rossmanite and Prase chemical formula.

• Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
• Chemical formula of Prase- SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Rossmanite and Prase Specific Gravity

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