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Sugilite
Sugilite

Charlesite
Charlesite



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Sugilite
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Charlesite

Sugilite and Charlesite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.69-2.791.79
1 7.18
👆🏻

Fracture

Conchoidal
Irregular/uneven

Cleavage

Poor on {0001}
Perfect on {10bar10}

Mohs Hardness

5.5-6.52.5
2 10
👆🏻

Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Sugilite and Charlesite Chemical Formula

While comparing Sugilite and Charlesite 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 Charlesite 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 Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Sugilite and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 1.79 whereas that of Charlesite is 1.79.