Prasiolite and Povondraite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.65
  
3.26
  
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
  
Cleavage
3,1
  
None
  
Mohs Hardness
7
  
Not Available
  
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
  
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
  
Prasiolite and Povondraite Chemical Formula
While comparing Prasiolite and Povondraite 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 Prasiolite and Povondraite chemical formula.
- Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
- Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Prasiolite and Povondraite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Prasiolite and Povondraite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prasiolite and Povondraite Optical Properties during the identification of gemstone. Specific gravity of Prasiolite is 3.26 whereas that of Povondraite is 3.26.