Vivianite and Witherite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.64-2.70
4.27-4.35
Fracture
(e.g. graphite).
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
{010} Perfect
{010} Distinct
Mohs Hardness
Not Available
3-3.5
Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Vivianite and Witherite Chemical Formula
While comparing Vivianite and Witherite 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 Vivianite and Witherite chemical formula.
- Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
- Chemical formula of Witherite- BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Vivianite and Witherite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Vivianite and Witherite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Witherite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 4.27-4.35 whereas that of Witherite is 4.27-4.35.