Jet lignite and Prase Physical Properties

Jet lignite and Prase Chemical Formula

While comparing Jet lignite 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 Jet lignite and Prase chemical formula.

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

Jet lignite and Prase Specific Gravity

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