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Sugilite
Sugilite

Prasiolite
Prasiolite



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Sugilite
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Prasiolite

Sugilite and Prasiolite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.69-2.792.65
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, ConchoidalWalter Schumann

Cleavage

Poor on {0001}
3,1

Mohs Hardness

5.5-6.57
2 10
👆🏻

Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2Ulrich Henn and Claudio C.

Sugilite and Prasiolite Chemical Formula

While comparing Sugilite and Prasiolite 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 Prasiolite 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 Prasiolite- SiO 2Ulrich Henn and Claudio C.

Sugilite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 2.65 whereas that of Prasiolite is 2.65.