Dallasite and London blue topaz Physical Properties

Dallasite and London blue topaz Chemical Formula

While comparing Dallasite 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 Dallasite and London blue topaz chemical formula.

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Dallasite and London blue topaz Specific Gravity

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