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Onyx and Emerald Physical Properties


Emerald and Onyx Physical Properties


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Onyx and Emerald Chemical Formula

While comparing Onyx and Emerald 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 Onyx and Emerald chemical formula.

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Onyx and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Emerald Optical Properties during the identification of gemstone. Specific gravity of Onyx is 2.67-2.78 whereas that of Emerald is 2.67-2.78.

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