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Vivianite
Vivianite

Pleonaste
Pleonaste



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Vivianite
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Pleonaste

Vivianite and Pleonaste Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.64-2.703.80
Amber
1 7.18
1.5 Fracture
(e.g. graphite).
Not Available
1.6 Cleavage
{010} Perfect
Not Available
1.7 Mohs Hardness
Not Available8
Amber
2 10
1.8 Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Vivianite and Pleonaste Chemical Formula

While comparing Vivianite and Pleonaste 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 Pleonaste chemical formula.

  • Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
  • Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Vivianite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.80 whereas that of Pleonaste is 3.80.