Marialite and Vivianite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.50
  
2.64-2.70
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
(e.g. graphite).
  
Cleavage
Distinct on {100} and {110}
  
{010} Perfect
  
Mohs Hardness
5.5-6
  
Not Available
  
Chemical Composition
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
  
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
  
Marialite and Vivianite Chemical Formula
While comparing Marialite 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 Marialite and Vivianite chemical formula.
- Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Marialite and Vivianite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Marialite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marialite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Marialite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.