Oligoclase and Pleonaste Physical Properties

Oligoclase and Pleonaste Chemical Formula

While comparing Oligoclase and Pleonaste 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 Oligoclase and Pleonaste chemical formula.

• Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Oligoclase and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Oligoclase and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 3.80 whereas that of Pleonaste is 3.80.