Wavellite and Boulder Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
insoluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.36
  
1.98-2.25
  
Fracture
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
[110] perfect, [101] good, [010] distinct
  
Not Available
  
Mohs Hardness
3.5-4
  
5-6.5
  
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Wavellite and Boulder Opal Chemical Formula
While comparing Wavellite and Boulder Opal 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 Wavellite and Boulder Opal chemical formula.
- Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Wavellite and Boulder Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wavellite and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.