Emerald and Hibschite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Hard
  
Not Available
  
Specific Gravity
2.67-2.78
  
3.05-3.08
  
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle
  
Cleavage
Imperfect on the [0001]
  
None
  
Mohs Hardness
7.5-8
  
6.5
  
Chemical Composition
Be3Al2SiO6
  
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
  
Emerald and Hibschite Chemical Formula
While comparing Emerald and Hibschite 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 Hibschite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Hibschite- Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Emerald and Hibschite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Hibschite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Hibschite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.05-3.08 whereas that of Hibschite is 3.05-3.08.
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