Microcline and Crystal Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55-2.63
  
1.97-2.22
  
Fracture
Uneven, Uneven, Gems
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
{001} Perfect, {010} Good
  
Not Available
  
Mohs Hardness
6-6.5
  
5.5-6.5
  
Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Microcline and Crystal Opal Chemical Formula
While comparing Microcline and Crystal 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 Microcline and Crystal Opal chemical formula.
- Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
- Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Microcline and Crystal Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Microcline and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microcline and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Microcline is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.