Poldervaartite and Pyrophyllite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.91
2.65-2.90
Fracture
Handbook of mineralogy (2001)
Gemstones (2009), Flexible Flexible fragments.
Cleavage
None
{001} Perfect
Mohs Hardness
Not Available
Not Available
Chemical Composition
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Poldervaartite and Pyrophyllite Chemical Formula
While comparing Poldervaartite 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 Poldervaartite and Pyrophyllite chemical formula.
- Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Poldervaartite and Pyrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Poldervaartite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.