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Wood Opal
Wood Opal

Pearl
Pearl



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Wood Opal
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Pearl

Wood Opal and Pearl Physical Properties

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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
1.98-2.502.60-2.85
Amber
1 7.18
1.5 Fracture
Not Available
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
none
1.7 Mohs Hardness
5.5-6.52.5-4.5
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Not Available

Wood Opal and Pearl Chemical Formula

While comparing Wood Opal and Pearl 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 Pearl chemical formula.

  • Chemical formula of Wood Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
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Wood Opal and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wood Opal and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wood Opal and Pearl Optical Properties during the identification of gemstone. Specific gravity of Wood Opal is 2.60-2.85 whereas that of Pearl is 2.60-2.85.