Allanite and London blue topaz Physical Properties

Allanite and London blue topaz Chemical Formula

While comparing Allanite and London blue topaz 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 London blue topaz chemical formula.

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Allanite and London blue topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and London blue topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and London blue topaz Optical Properties during the identification of gemstone. Specific gravity of Allanite is Not Available whereas that of London blue topaz is Not Available.