Pink Opal and Obsidian Physical Properties

Pink Opal and Obsidian Chemical Formula

While comparing Pink Opal 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 Pink Opal and Obsidian chemical formula.

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Pink Opal and Obsidian Specific Gravity

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