Vivianite and Papagoite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.64-2.70
3.25
Fracture
(e.g. graphite).
Brittle, Metallic
Cleavage
{010} Perfect
Imperfect in one direction
Mohs Hardness
Not Available
5-5.5
Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Vivianite and Papagoite Chemical Formula
While comparing Vivianite and Papagoite 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 Papagoite chemical formula.
- Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
- Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Vivianite and Papagoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Vivianite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.25 whereas that of Papagoite is 3.25.