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Verdite
Verdite

Purpurite
Purpurite



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Verdite
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Purpurite

Verdite and Purpurite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.80-3.0
-
{110} Good
3
NaFeS2•2(H2O)
 
-
-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Verdite and Purpurite Chemical Formula

While comparing Verdite and Purpurite 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 Verdite and Purpurite chemical formula.

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Verdite and Purpurite Specific Gravity

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