Phosphophyllite and Powellite Physical Properties
Specific Gravity
3.07-3.13
4.23
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
{111} Distinct
Mohs Hardness
3-3.5
3.5-4
Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Phosphophyllite and Powellite Chemical Formula
While comparing Phosphophyllite and Powellite 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 Powellite 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 Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Phosphophyllite and Powellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 4.23 whereas that of Powellite is 4.23.