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Sugilite
Sugilite

Sapphire
Sapphire



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Sugilite
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Sapphire

Sugilite and Sapphire Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.69-2.793.95-4.03
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Poor on {0001}
None, but may exhibit parting
1.7 Mohs Hardness
5.5-6.59
Amber
2 10
1.8 Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2 O 3

Sugilite and Sapphire Chemical Formula

While comparing Sugilite and Sapphire 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 Sapphire chemical formula.

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

Sugilite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.