Sillimanite and Purpurite Physical Properties

Sillimanite and Purpurite Chemical Formula

While comparing Sillimanite and Purpurite 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 Sillimanite and Purpurite chemical formula.

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Sillimanite and Purpurite Specific Gravity

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