While comparing Bustamite and Turquoise 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 Bustamite and Turquoise chemical formula.
Another important criteria for qualitative analysis of gemstones is Bustamite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.