Emerald and Glass Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Hard
  
Not Available
  
Specific Gravity
2.67-2.78
  
2.39-4.00
  
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
  
Cleavage
Imperfect on the [0001]
  
Not Available
  
Mohs Hardness
7.5-8
  
4-6
  
Chemical Composition
Be3Al2SiO6
  
Not Available
  
Emerald and Glass Chemical Formula
While comparing Emerald and Glass 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 Glass chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
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Emerald and Glass Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Glass Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Glass Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.39-4.00 whereas that of Glass is 2.39-4.00.
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