Obsidian and Hessonite Physical Properties

Obsidian and Hessonite Chemical Formula

While comparing Obsidian and Hessonite 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 Obsidian and Hessonite chemical formula.

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Obsidian and Hessonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Hessonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Hessonite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 3.55-3.73 whereas that of Hessonite is 3.55-3.73.