Pollucite and Manganotantalite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Readily soluble in HF
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.86-2.94
  
Not Available
  
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
None observed
  
Not Available
  
Mohs Hardness
6.5-7
  
5.5-6.5
  
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
  
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
  
Pollucite and Manganotantalite Chemical Formula
While comparing Pollucite 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 Pollucite and Manganotantalite chemical formula.
- Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Pollucite and Manganotantalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pollucite and Manganotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Manganotantalite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is Not Available whereas that of Manganotantalite is Not Available.