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Wood Opal and Vivianite Physical Properties


Vivianite and Wood Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.50   
2.64-2.70   

Fracture
Not Available   
(e.g. graphite).   

Cleavage
Not Available   
{010} Perfect   

Mohs Hardness
5.5-6.5   
Not Available   

Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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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.

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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.

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