Emerald and Diamond Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Hard
  
Not Available
  
Specific Gravity
2.67-2.78
  
3.50-3.53
  
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
  
Cleavage
Imperfect on the [0001]
  
111 (perfect in four directions)
  
Mohs Hardness
7.5-8
  
10
  
Chemical Composition
Be3Al2SiO6
  
C
  
Emerald and Diamond Chemical Formula
While comparing Emerald and Diamond 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 Diamond chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Diamond- C
Emerald and Diamond Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Diamond Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.50-3.53 whereas that of Diamond is 3.50-3.53.
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