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Emerald and Melanite Physical Properties


Melanite and Emerald Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Hard   
Not Available   

Specific Gravity
2.67-2.78   
3.70-4.10   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Imperfect on the [0001]   
Not Available   

Mohs Hardness
7.5-8   
6.5-7   

Chemical Composition
Be3Al2SiO6   
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Emerald and Melanite Chemical Formula

While comparing Emerald and Melanite 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 Melanite chemical formula.

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Emerald and Melanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Melanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Melanite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.70-4.10 whereas that of Melanite is 3.70-4.10.

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