Holmquistite and Watermelon Tourmaline Physical Properties

Holmquistite and Watermelon Tourmaline Chemical Formula

While comparing Holmquistite and Watermelon 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 Holmquistite and Watermelon Tourmaline chemical formula.

• Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
• Chemical formula of Watermelon Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Holmquistite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Holmquistite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Holmquistite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Holmquistite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.