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Emerald
Emerald

Mellite
Mellite



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Emerald
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Emerald and Mellite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Hard
Not Available
1.4 Specific Gravity
2.67-2.78
1.58-1.60
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Imperfect on the [0001]
{011} Imperfect
1.7 Mohs Hardness
7.5-8
2
1.8 Chemical Composition
Be3Al2SiO6
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Emerald and Mellite Chemical Formula

While comparing Emerald and Mellite 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 Mellite chemical formula.

  • Chemical formula of Emerald- Be3Al2SiO6
  • Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Emerald and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Mellite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 1.58-1.60 whereas that of Mellite is 1.58-1.60.