Precious Opal and Manganotantalite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.25
  
Not Available
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
  
ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
5-6.5
  
5.5-6.5
  
Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
  
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
  
Precious Opal and Manganotantalite Chemical Formula
While comparing Precious Opal and Manganotantalite 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 Precious Opal and Manganotantalite chemical formula.
- Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
- Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Precious Opal and Manganotantalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Precious Opal and Manganotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Manganotantalite Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is Not Available whereas that of Manganotantalite is Not Available.