Phosphophyllite and Crocoite Physical Properties
Specific Gravity
3.07-3.13
5.90-6.10
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
{110} Distinct, {001} Indistinct, {100} Indistinct
Mohs Hardness
3-3.5
2.5-3
Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Phosphophyllite and Crocoite Chemical Formula
While comparing Phosphophyllite and Crocoite 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 Crocoite 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 Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Phosphophyllite and Crocoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.