Prase Opal and Ludlamite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.25
  
3.1-3.2
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
Vitreous, pearly on cleavage
  
Mohs Hardness
5-6.5
  
3-4
  
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
  
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Prase Opal and Ludlamite Chemical Formula
While comparing Prase Opal and Ludlamite 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 Prase Opal and Ludlamite chemical formula.
- Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Prase Opal and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Prase Opal and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase Opal and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Prase Opal is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.