Magnetite and Boulder Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.2
  
1.98-2.25
  
Fracture
Uneven, Uneven, Management Team (2012), Conchoidal, Brittle
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
None
  
Not Available
  
Mohs Hardness
5.5-6.5
  
5-6.5
  
Chemical Composition
Fe 3O 4Ulrich Henn and Claudio C.
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Magnetite and Boulder Opal Chemical Formula
While comparing Magnetite 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 Magnetite and Boulder Opal chemical formula.
- Chemical formula of Magnetite- Fe 3O 4Ulrich Henn and Claudio C.
- Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Magnetite and Boulder Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Magnetite and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnetite and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Magnetite is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.