Pyrophyllite and Phosphophyllite Physical Properties
Specific Gravity
2.65-2.90
3.07-3.13
Fracture
-
Conchoidal, Uneven
Cleavage
{001} Perfect
{100} Perfect, {010} Distinct, {102} Distinct
Mohs Hardness
-9999
3-3.5
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pyrophyllite and Phosphophyllite Chemical Formula
While comparing Pyrophyllite and Phosphophyllite 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 Pyrophyllite and Phosphophyllite chemical formula.
- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pyrophyllite and Phosphophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Phosphophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Phosphophyllite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.07-3.13 whereas that of Phosphophyllite is 3.07-3.13.