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Norbergite
Norbergite

Opal
Opal



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Norbergite
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Opal

Norbergite and Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.177
Uneven, Conchoidal
{???} Distinct
6-6.5
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Norbergite and Opal Chemical Formula

While comparing Norbergite 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 Norbergite and Opal chemical formula.

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Norbergite and Opal Specific Gravity

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