Tourmaline and Hardystonite Physical Properties

Tourmaline and Hardystonite Chemical Formula

While comparing Tourmaline and Hardystonite 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 Tourmaline and Hardystonite chemical formula.

• Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
• Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Tourmaline and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.