Norbergite and Chrome Tourmaline Physical Properties

Norbergite and Chrome Tourmaline Chemical Formula

While comparing Norbergite and Chrome Tourmaline 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 Norbergite and Chrome Tourmaline chemical formula.

• Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
• Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

Norbergite and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.