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Emerald and Hardystonite Physical Properties


Hardystonite 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   
3.396-3.443   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Brittle, Metallic   

Cleavage
Imperfect on the [0001]   
[001] good, [100] and [110] fair   

Mohs Hardness
7.5-8   
3-4   

Chemical Composition
Be3Al2SiO6   
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Emerald and Hardystonite Chemical Formula

While comparing Emerald and Hardystonite 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 Hardystonite chemical formula.

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Emerald and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.

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