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Emerald
Emerald

Pleonaste
Pleonaste



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Emerald
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Pleonaste

Emerald and Pleonaste Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
Hard
2.67-2.78
Uneven, ConchoidalWalter Schumann
Imperfect on the [0001]
7.5-8
Be3Al2SiO6
 
-
-
-
3.80
-
Indistinct
8
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Emerald and Pleonaste Chemical Formula

While comparing Emerald and Pleonaste 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 Pleonaste chemical formula.

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Emerald and Pleonaste Specific Gravity

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