Allanite and Blue John Physical Properties

Allanite and Blue John Chemical Formula

While comparing Allanite 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 Allanite and Blue John chemical formula.

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Allanite and Blue John Specific Gravity

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