Pumpellyite and Pyrophyllite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.20-3.30
2.65-2.90
Fracture
Not Available
Gemstones (2009), Flexible Flexible fragments.
Cleavage
Not Available
{001} Perfect
Mohs Hardness
5-6
Not Available
Chemical Composition
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pumpellyite and Pyrophyllite Chemical Formula
While comparing Pumpellyite and Pyrophyllite 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 Pumpellyite and Pyrophyllite chemical formula.
- Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pumpellyite and Pyrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pumpellyite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pumpellyite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Pumpellyite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.