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Poudretteite
Poudretteite

Opal
Opal



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Poudretteite
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Opal

Poudretteite and Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.51-2.53
Conchoidal, Splintery
None
5
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Poudretteite and Opal Chemical Formula

While comparing Poudretteite and 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 Poudretteite and Opal chemical formula.

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Poudretteite and Opal Specific Gravity

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