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Vivianite
Vivianite

Corundum
Corundum



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Vivianite
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Corundum

Vivianite and Corundum Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.64-2.703.90-4.05
Amber
1 7.18
1.5 Fracture
(e.g. graphite).
Uneven, Uneven, Gems, Difficult, Fibrous
1.6 Cleavage
{010} Perfect
None – parting in 3 directions
1.7 Mohs Hardness
Not Available9
Amber
2 10
1.8 Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Al 2O 3Arthur Thomas , Gemstones (2009)

Vivianite and Corundum Chemical Formula

While comparing Vivianite and Corundum 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 Corundum chemical formula.

  • Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
  • Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)

Vivianite and Corundum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Corundum Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.90-4.05 whereas that of Corundum is 3.90-4.05.