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Sugilite
Sugilite

Benitoite
Benitoite



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Sugilite
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Benitoite

Sugilite and Benitoite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
Insoluble: HCl

Durability

-
-

Specific Gravity

2.69-2.793.61-3.68
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

Poor on {0001}
[10 1 1] poor

Mohs Hardness

5.5-6.56-6.5
2 10
👆🏻

Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
BaTiSi 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sugilite and Benitoite Chemical Formula

While comparing Sugilite and Benitoite 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 Benitoite 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 Benitoite- BaTiSi 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sugilite and Benitoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.