Melanite and Obsidian Physical Properties

Melanite and Obsidian Chemical Formula

While comparing Melanite and Obsidian 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 Melanite and Obsidian chemical formula.

• Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
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Melanite and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Melanite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.