Phosphophyllite and Caledonite Physical Properties
Specific Gravity
3.07-3.13
5.6-5.76
Fracture
Conchoidal, Uneven
Uneven
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
[001] perfect; [100] distinct
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
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Phosphophyllite and Caledonite Chemical Formula
While comparing Phosphophyllite and Caledonite 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 Caledonite 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 Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Phosphophyllite and Caledonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.