Boracite and Manganotantalite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.95-2.96
  
Not Available
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
None
  
Not Available
  
Mohs Hardness
7-7.5
  
5.5-6.5
  
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
  
Boracite and Manganotantalite Chemical Formula
While comparing Boracite 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 Boracite and Manganotantalite chemical formula.
- Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Boracite and Manganotantalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Boracite and Manganotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Manganotantalite Optical Properties during the identification of gemstone. Specific gravity of Boracite is Not Available whereas that of Manganotantalite is Not Available.