Petoskey Stone and Sugilite Physical Properties
Tenacity
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Not Available
Solubility
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Not Available
Durability
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Specific Gravity
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2.69-2.79
Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Not Available
Poor on {0001}
Chemical Composition
Not Available
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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.
>- Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , 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.