Achroite and Pleonast Physical Properties

Achroite and Pleonast Chemical Formula

While comparing Achroite and Pleonast 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 Achroite and Pleonast chemical formula.

• Chemical formula of Achroite- 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.
• Chemical formula of Pleonast- MgAl2O4

Achroite and Pleonast Specific Gravity

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