Tahitian pearl and Alexandrite Physical Properties

Tahitian pearl and Alexandrite Chemical Formula

While comparing Tahitian pearl and Alexandrite 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 Tahitian pearl and Alexandrite chemical formula.

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• Chemical formula of Alexandrite- BeAl ₂ O ₄

Tahitian pearl and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tahitian pearl and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tahitian pearl and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Tahitian pearl is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.