Obsidian and Iolite Physical Properties

Obsidian and Iolite Chemical Formula

While comparing Obsidian and Iolite 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 Iolite chemical formula.

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Obsidian and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian Vs Iolite during the identification of gemstone. Specific gravity of Obsidian is whereas that of Iolite is .