Poudretteite and Fayalite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.51-2.53
4.392
Fracture
Conchoidal, Splintery
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
None
{010} moderate, {100} imperfect
Chemical Composition
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Poudretteite and Fayalite Chemical Formula
While comparing Poudretteite and Fayalite 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 Poudretteite and Fayalite chemical formula.
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Poudretteite and Fayalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Poudretteite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 4.392 whereas that of Fayalite is 4.392.