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Vivianite
Vivianite

Hematite
Hematite



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Vivianite
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Hematite

Vivianite and Hematite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.64-2.705.00-5.30
Amber
1 7.18
1.5 Fracture
(e.g. graphite).
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
{010} Perfect
None, may show partings on {0001} and {10 1 1}
1.7 Mohs Hardness
Not Available6
Amber
2 10
1.8 Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Fe 2O 3Arthur Thomas , Gemstones (2009)

Vivianite and Hematite Chemical Formula

While comparing Vivianite and Hematite 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 Hematite chemical formula.

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

Vivianite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.