Phosphosiderite and Phosphophyllite Physical Properties
Specific Gravity
2.74-2.76
3.07-3.13
Fracture
Uneven
Conchoidal, Uneven
Cleavage
{010} Perfect, {001} Distinct
{100} Perfect, {010} Distinct, {102} Distinct
Mohs Hardness
3.5-4
3-3.5
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Phosphosiderite and Phosphophyllite Chemical Formula
While comparing Phosphosiderite 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 Phosphosiderite and Phosphophyllite chemical formula.
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Phosphosiderite and Phosphophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Phosphophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Phosphophyllite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 3.07-3.13 whereas that of Phosphophyllite is 3.07-3.13.