Povondraite and Poudretteite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.26
2.51-2.53
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Conchoidal, Splintery
Mohs Hardness
Not Available
5
Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Povondraite and Poudretteite Chemical Formula
While comparing Povondraite and Poudretteite 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 Poudretteite 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 Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Povondraite and Poudretteite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Povondraite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Povondraite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Povondraite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.