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Richterite
Richterite

Purpurite
Purpurite



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Richterite
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Purpurite

Richterite and Purpurite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.0-3.5
Uneven
Perfect
5-6
Na(CaNa)(Mg,Fe++)5(Si8O22)(OH)2
 
-
-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Richterite and Purpurite Chemical Formula

While comparing Richterite 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 Richterite and Purpurite chemical formula.

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Richterite and Purpurite Specific Gravity

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