Phosphosiderite and Fayalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.74-2.76
4.392
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
{010} Perfect, {001} Distinct
{010} moderate, {100} imperfect
Mohs Hardness
3.5-4
6.5-7
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Phosphosiderite and Fayalite Chemical Formula
While comparing Phosphosiderite and Fayalite 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 Fayalite chemical formula.
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Phosphosiderite and Fayalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 4.392 whereas that of Fayalite is 4.392.