Vivianite and Friedelite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.64-2.70
3.06-3.19
Fracture
(e.g. graphite).
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven
Cleavage
{010} Perfect
{010} Perfect
Mohs Hardness
Not Available
4-5
Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Vivianite and Friedelite Chemical Formula
While comparing Vivianite and Friedelite 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 Friedelite chemical formula.
- Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
- Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Vivianite and Friedelite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Vivianite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.