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Hercynite and Emerald Physical Properties


Emerald and Hercynite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Hard   

Specific Gravity
4.39   
2.67-2.78   

Fracture
ConchoidalGemdat.org, Uneven   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct   
Imperfect on the [0001]   

Mohs Hardness
7.5-8   
7.5-8   

Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)   
Be3Al2SiO6   

Optical Properties >>
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Hercynite and Emerald Chemical Formula

While comparing Hercynite and Emerald 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 Hercynite and Emerald chemical formula.

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Hercynite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.

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