Obsidian and Pyrite Marcasite Physical Properties

Obsidian and Pyrite Marcasite Chemical Formula

While comparing Obsidian and Pyrite Marcasite 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 Pyrite Marcasite chemical formula.

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Obsidian and Pyrite Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Pyrite Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Pyrite Marcasite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 4.9-5.2 whereas that of Pyrite Marcasite is 4.9-5.2.