Prase Opal and Melanite Physical Properties

Prase Opal and Melanite Chemical Formula

While comparing Prase Opal and Melanite 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 Prase Opal and Melanite chemical formula.

• Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
• Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Prase Opal and Melanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prase Opal and Melanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase Opal and Melanite Optical Properties during the identification of gemstone. Specific gravity of Prase Opal is 3.70-4.10 whereas that of Melanite is 3.70-4.10.