Povondraite and Rutile Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Insoluble in acids
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.26
  
4.20-4.30
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
  
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
None
  
{110} good, 100 moderate, parting on {092} and {011}
  
Mohs Hardness
Not Available
  
6-6.5
  
Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
  
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Povondraite and Rutile Chemical Formula
While comparing Povondraite and Rutile 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 Povondraite and Rutile chemical formula.
- Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Povondraite and Rutile Specific Gravity
Another important criteria for qualitative analysis of gemstones is Povondraite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Povondraite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Povondraite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.