Siderite and Vivianite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.83-3.89
2.64-2.70
Fracture
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
(e.g. graphite).
Cleavage
Perfect on {01 1 1}
{010} Perfect
Mohs Hardness
3.5-4.5
Not Available
Chemical Composition
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Siderite and Vivianite Chemical Formula
While comparing Siderite and Vivianite 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 Siderite and Vivianite chemical formula.
- Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Siderite and Vivianite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Siderite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Siderite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.