Pietersite and Oligoclase Physical Properties

Pietersite and Oligoclase Chemical Formula

While comparing Pietersite and Oligoclase 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 Pietersite and Oligoclase chemical formula.

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• Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Pietersite and Oligoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pietersite and Oligoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pietersite and Oligoclase Optical Properties during the identification of gemstone. Specific gravity of Pietersite is 2.62-2.67 whereas that of Oligoclase is 2.62-2.67.