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Wood Opal
Wood Opal

Vivianite
Vivianite



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Wood Opal
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Vivianite

Wood Opal and Vivianite 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
1.98-2.502.64-2.70
Amber
1 7.18
1.5 Fracture
Not Available
(e.g. graphite).
1.6 Cleavage
Not Available
{010} Perfect
1.7 Mohs Hardness
5.5-6.5Not Available
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Wood Opal and Vivianite Chemical Formula

While comparing Wood Opal and Vivianite 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 Wood Opal and Vivianite chemical formula.

  • Chemical formula of Wood Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  • Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Wood Opal and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wood Opal and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wood Opal and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Wood Opal is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.