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Pumpellyite
Pumpellyite

Purpurite
Purpurite



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Pumpellyite
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Purpurite

Pumpellyite and Purpurite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.20-3.303.2-3.4
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Not Available
[100] [001] perfect
1.7 Mohs Hardness
5-64-4.5
Amber
2 10
1.8 Chemical Composition
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Pumpellyite and Purpurite Chemical Formula

While comparing Pumpellyite 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 Pumpellyite and Purpurite chemical formula.

  • Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
  • Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Pumpellyite and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pumpellyite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pumpellyite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Pumpellyite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.