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Emerald and Poudretteite Physical Properties


Poudretteite and Emerald Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Hard   
Not Available   

Specific Gravity
2.67-2.78   
2.51-2.53   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Conchoidal, Splintery   

Cleavage
Imperfect on the [0001]   
None   

Mohs Hardness
7.5-8   
5   

Chemical Composition
Be3Al2SiO6   
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Emerald and Poudretteite Chemical Formula

While comparing Emerald and Poudretteite 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 Poudretteite chemical formula.

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Emerald and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.

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