Pleonaste and Watermelon Tourmaline Physical Properties

Pleonaste and Watermelon Tourmaline Chemical Formula

While comparing Pleonaste 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 Pleonaste and Watermelon Tourmaline chemical formula.

• Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
• 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.

Pleonaste and Watermelon Tourmaline Specific Gravity

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