Petoskey Stone and Sugilite Physical Properties

Petoskey Stone and Sugilite Chemical Formula

While comparing Petoskey Stone and Sugilite 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 Petoskey Stone and Sugilite chemical formula.

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• Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Petoskey Stone and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Petoskey Stone and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petoskey Stone and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Petoskey Stone is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.