Vivianite and Taaffeite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.64-2.70
3.60-3.61
Fracture
(e.g. graphite).
Conchoidal
Cleavage
{010} Perfect
Imperfect/fair/absent
Mohs Hardness
Not Available
8-8.5
Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Vivianite and Taaffeite Chemical Formula
While comparing Vivianite and Taaffeite 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 Taaffeite chemical formula.
- Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
- Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Vivianite and Taaffeite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Vivianite and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.