Ludlamite and Emerald Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Hard
  
Specific Gravity
3.1-3.2
  
2.67-2.78
  
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Vitreous, pearly on cleavage
  
Imperfect on the [0001]
  
Mohs Hardness
3-4
  
7.5-8
  
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Be3Al2SiO6
  
Ludlamite and Emerald Chemical Formula
While comparing Ludlamite and Emerald 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 Ludlamite and Emerald chemical formula.
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Emerald- Be3Al2SiO6
Ludlamite and Emerald Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ludlamite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.