Pleonast and Chiastolite Physical Properties

Pleonast and Chiastolite Chemical Formula

While comparing Pleonast and Chiastolite 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 Pleonast and Chiastolite chemical formula.

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• Chemical formula of Chiastolite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006)

Pleonast and Chiastolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonast and Chiastolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonast and Chiastolite Optical Properties during the identification of gemstone. Specific gravity of Pleonast is 3.00-3.15 whereas that of Chiastolite is 3.00-3.15.