Nickeline and Manganotantalite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
Not Available
  
Fracture
Conchoidal, Uneven
  
ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
{1010} Imperfect, {0001} Imperfect
  
Not Available
  
Mohs Hardness
5-5.5
  
5.5-6.5
  
Chemical Composition
Not Available
  
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
  
Nickeline and Manganotantalite Chemical Formula
While comparing Nickeline 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 Nickeline and Manganotantalite chemical formula.
>- Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Nickeline and Manganotantalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Nickeline and Manganotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nickeline and Manganotantalite Optical Properties during the identification of gemstone. Specific gravity of Nickeline is Not Available whereas that of Manganotantalite is Not Available.