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Purpurite
Purpurite

Magnesite
Magnesite



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Purpurite
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Purpurite and Magnesite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Effervesces in hot HCl
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.2-3.4
2.92-3.12
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
[100] [001] perfect
[10 1 1] perfect
1.7 Mohs Hardness
4-4.5
3.5-4.5
1.8 Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Purpurite and Magnesite Chemical Formula

While comparing Purpurite and Magnesite 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 Magnesite chemical formula.

  • Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Magnesite- MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Purpurite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.