Boulder Opal and Muscovite Physical Properties
Tenacity
Not Available
  
Elastic
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.25
  
2.78-2.88
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Micaceous, Brittle
  
Cleavage
Not Available
  
Perfect on the {001}
  
Mohs Hardness
5-6.5
  
2-3
  
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
  
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
  
Boulder Opal and Muscovite Chemical Formula
While comparing Boulder Opal and Muscovite 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 Boulder Opal and Muscovite chemical formula.
- Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
- Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Boulder Opal and Muscovite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Boulder Opal and Muscovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Muscovite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 2.78-2.88 whereas that of Muscovite is 2.78-2.88.