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Sugilite
Sugilite

Kainite
Kainite



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Sugilite
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Kainite

Sugilite and Kainite Physical Properties

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Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.69-2.792.15
1 7.18
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Fracture

Conchoidal
Splintery, Conchoidal

Cleavage

Poor on {0001}
{001}, perfect

Mohs Hardness

5.5-6.52.5-3
2 10
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Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
KMg(SO4)Cl

Sugilite and Kainite Chemical Formula

While comparing Sugilite and Kainite 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 Kainite 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 Kainite- KMg(SO4)Cl

Sugilite and Kainite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Kainite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Kainite Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 2.15 whereas that of Kainite is 2.15.