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Charoite
Charoite

Charlesite
Charlesite



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Charoite
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Charlesite

Charoite and Charlesite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.54-2.781.79
1 7.18
👆🏻

Fracture

Conchoidal
Irregular/uneven

Cleavage

Good in three directions
Perfect on {10bar10}

Mohs Hardness

5-62.5
2 10
👆🏻

Chemical Composition

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Charoite and Charlesite Chemical Formula

While comparing Charoite 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 Charoite and Charlesite chemical formula.

  • Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael 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)

Charoite and Charlesite Specific Gravity

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