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Opal
Opal

Petrified Wood
Petrified Wood



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Opal
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Petrified Wood

Opal and Petrified Wood Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O
 
-
-
-
2.58-2.91
Uneven
None
7
SiO2

Opal and Petrified Wood Chemical Formula

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

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Opal and Petrified Wood Specific Gravity

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