Edenite and Pyrophyllite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.05-3.37
2.65-2.90
Fracture
Conchoidal, Brittle, Conchoidal
Gemstones (2009), Flexible Flexible fragments.
Cleavage
Good on (110)
{001} Perfect
Mohs Hardness
5-6
Not Available
Chemical Composition
NaCa2Mg5Si7AlO22(OH)2
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Edenite and Pyrophyllite Chemical Formula
While comparing Edenite 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 Edenite and Pyrophyllite chemical formula.
- Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Edenite and Pyrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Edenite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.