Emerald and Hyacinth Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Hard
  
Not Available
  
Specific Gravity
2.67-2.78
  
3.93-4.73
  
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Imperfect on the [0001]
  
Not Available
  
Mohs Hardness
7.5-8
  
6.5-7.5
  
Chemical Composition
Be3Al2SiO6
  
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Emerald and Hyacinth Chemical Formula
While comparing Emerald and Hyacinth 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 Hyacinth chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Hyacinth- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Emerald and Hyacinth Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Hyacinth Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Hyacinth Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.93-4.73 whereas that of Hyacinth is 3.93-4.73.
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