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Opal
Opal

Bornite
Bornite



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Opal
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Bornite

Opal and Bornite Physical Properties

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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
 
Brittle
-
-
5.06-5.08
Uneven, Subconchoidal, Conchoidal
Poor on [111].
3-3.25
Cu5FeS4

Opal and Bornite Chemical Formula

While comparing Opal and Bornite 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 Bornite chemical formula.

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Opal and Bornite Specific Gravity

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