Andalusite and Blue John Physical Properties

Andalusite and Blue John Chemical Formula

While comparing Andalusite and Blue John 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 Andalusite and Blue John chemical formula.

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Andalusite and Blue John Specific Gravity

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