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Vivianite
Vivianite

Hemimorphite
Hemimorphite



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Vivianite
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Vivianite and Hemimorphite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.64-2.70
3.30-3.50
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
Perfect on {110}, poor on {101}, {001} rare
1.7 Mohs Hardness
Not Available
5
1.8 Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Hemimorphite Chemical Formula

While comparing Vivianite and Hemimorphite 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 Hemimorphite chemical formula.

  • Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
  • Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.