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Emerald
Emerald

Charlesite
Charlesite



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Emerald
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Charlesite

Emerald and Charlesite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

Hard
-

Specific Gravity

2.67-2.781.79
1 7.18
👆🏻

Fracture

Uneven, ConchoidalWalter Schumann
Irregular/uneven

Cleavage

Imperfect on the [0001]
Perfect on {10bar10}

Mohs Hardness

7.5-82.5
2 10
👆🏻

Chemical Composition

Be3Al2SiO6
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Emerald and Charlesite Chemical Formula

While comparing Emerald 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 Emerald and Charlesite chemical formula.

  • Chemical formula of Emerald- Be3Al2SiO6
  • Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Emerald and Charlesite Specific Gravity

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