Dumortierite and Tortoiseshell Physical Properties

Dumortierite and Tortoiseshell Chemical Formula

While comparing Dumortierite and Tortoiseshell 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 Dumortierite and Tortoiseshell chemical formula.

• Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
• Chemical formula of Tortoiseshell- -

Dumortierite and Tortoiseshell Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Tortoiseshell Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Tortoiseshell Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 1.25-1.35 whereas that of Tortoiseshell is 1.25-1.35.