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Chromite
Chromite

Opal
Opal



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Chromite
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Opal

Chromite and Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
4.5-4.8
Uneven
None, parting may develop along {111}
5.5
Fe++Cr2O4
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Chromite and Opal Chemical Formula

While comparing Chromite 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 Chromite and Opal chemical formula.

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Chromite and Opal Specific Gravity

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