Lepidolite and Boulder Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.80-2.90
  
1.98-2.25
  
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
{001} perfect
  
Not Available
  
Mohs Hardness
2.5
  
5-6.5
  
Chemical Composition
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Lepidolite and Boulder Opal Chemical Formula
While comparing Lepidolite 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 Lepidolite and Boulder Opal chemical formula.
- Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
- Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Lepidolite and Boulder Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Lepidolite and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lepidolite and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Lepidolite is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.