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Vivianite
Vivianite

Dolomite
Dolomite



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Vivianite and Dolomite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Poorly soluble in dilute HCl
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.64-2.70
2.80-2.95
1.5 Fracture
(e.g. graphite).
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
{010} Perfect
Perfect on {10 1 1}, rhombohedral cleavage
1.7 Mohs Hardness
Not Available
3.5-4
1.8 Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
CaMg(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Dolomite Chemical Formula

While comparing Vivianite and Dolomite 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 Dolomite chemical formula.

  • Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
  • Chemical formula of Dolomite- CaMg(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Dolomite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Dolomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Dolomite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.80-2.95 whereas that of Dolomite is 2.80-2.95.