Sugilite and Nickeline Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.69-2.79
  
Not Available
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Conchoidal, Uneven
  
Cleavage
Poor on {0001}
  
{1010} Imperfect, {0001} Imperfect
  
Mohs Hardness
5.5-6.5
  
5-5.5
  
Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Sugilite and Nickeline Chemical Formula
While comparing Sugilite and Nickeline 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 Sugilite and Nickeline chemical formula.
- Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Sugilite and Nickeline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sugilite and Nickeline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Nickeline Optical Properties during the identification of gemstone. Specific gravity of Sugilite is Not Available whereas that of Nickeline is Not Available.