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Topaz
Topaz

Wood Opal
Wood Opal



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Topaz
X
Wood Opal

Topaz and Wood Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.49-3.57
Subconchoidal, Uneven, Conchoidal
[001] Perfect
8
Al2SiO4(F,OH)2
 
-
-
-
1.98-2.50
-
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Topaz and Wood Opal Chemical Formula

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

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Topaz and Wood Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Wood Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz Vs Wood Opal during the identification of gemstone. Specific gravity of Topaz is whereas that of Wood Opal is .