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Purpurite
Purpurite

Pyromorphite
Pyromorphite



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Purpurite
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Pyromorphite

Purpurite and Pyromorphite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.2-3.46.5-7.1
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
1.6 Cleavage
[100] [001] perfect
Imperfect- [10 1 1]
1.7 Mohs Hardness
4-4.53.5-4
Amber
2 10
1.8 Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Purpurite and Pyromorphite Chemical Formula

While comparing Purpurite and Pyromorphite 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 Pyromorphite chemical formula.

  • Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Purpurite and Pyromorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.