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Povondraite
Povondraite

Opal
Opal



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Povondraite
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Opal

Povondraite and Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.26
Uneven
None
-9999
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Povondraite and Opal Chemical Formula

While comparing Povondraite 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 Povondraite and Opal chemical formula.

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Povondraite and Opal Specific Gravity

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