Phosphophyllite and Pargasite Physical Properties
Specific Gravity
3.07-3.13
3.04-3.26
Fracture
Conchoidal, Uneven
Splintery, Uneven
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
{110} perfect
Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Phosphophyllite and Pargasite Chemical Formula
While comparing Phosphophyllite and Pargasite 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 Phosphophyllite and Pargasite chemical formula.
- Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Phosphophyllite and Pargasite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.