Mellite and Poudretteite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.58-1.60
2.51-2.53
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, Splintery
Cleavage
{011} Imperfect
None
Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Mellite and Poudretteite Chemical Formula
While comparing Mellite 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 Mellite and Poudretteite chemical formula.
- Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Mellite and Poudretteite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Mellite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mellite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Mellite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.