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Emerald and Sapphirine Physical Properties


Sapphirine 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   
3.40-3.58   

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

Cleavage
Imperfect on the [0001]   
{010} Perfect   

Mohs Hardness
7.5-8   
7.5   

Chemical Composition
Be3Al2SiO6   
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Emerald and Sapphirine Chemical Formula

While comparing Emerald and Sapphirine 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 Sapphirine chemical formula.

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Emerald and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.

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