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Purpurite
Purpurite

Chromite
Chromite



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Purpurite
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Chromite

Purpurite and Chromite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
 
Brittle
-
-
4.5-4.8
Uneven
None, parting may develop along {111}
5.5
Fe++Cr2O4

Purpurite and Chromite Chemical Formula

While comparing Purpurite and Chromite 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 Purpurite and Chromite chemical formula.

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Purpurite and Chromite Specific Gravity

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