Wood Opal and Celestine Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.50
  
3.90-4.00
  
Fracture
Not Available
  
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Cleavage
Not Available
  
Perfect on {001}, good on {210}, poor on {010}
  
Mohs Hardness
5.5-6.5
  
3-3.5
  
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Wood Opal and Celestine Chemical Formula
While comparing Wood Opal and Celestine 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 Wood Opal and Celestine chemical formula.
- Chemical formula of Wood Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Wood Opal and Celestine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wood Opal and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wood Opal and Celestine Optical Properties during the identification of gemstone. Specific gravity of Wood Opal is 3.90-4.00 whereas that of Celestine is 3.90-4.00.