Topaz and Nepheline Physical Properties

Topaz and Nepheline Chemical Formula

While comparing Topaz and Nepheline 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 Topaz and Nepheline chemical formula.

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Topaz and Nepheline Specific Gravity

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