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Vivianite
Vivianite

Chlorastrolite
Chlorastrolite



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Vivianite
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Chlorastrolite

Vivianite and Chlorastrolite 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
2.64-2.703.1-3.5
Amber
1 7.18
1.5 Fracture
(e.g. graphite).
Granular
1.6 Cleavage
{010} Perfect
Not Available
1.7 Mohs Hardness
Not Available5-6
Amber
2 10
1.8 Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

Vivianite and Chlorastrolite Chemical Formula

While comparing Vivianite and Chlorastrolite 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 Chlorastrolite chemical formula.

  • Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
  • Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

Vivianite and Chlorastrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Chlorastrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Chlorastrolite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.1-3.5 whereas that of Chlorastrolite is 3.1-3.5.