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Pyromorphite
Pyromorphite

Dumortierite
Dumortierite



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Pyromorphite
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Dumortierite

Pyromorphite and Dumortierite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

6.5-7.13.26-3.41
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Fibrous, ConchoidalWalter Schumann

Cleavage

Imperfect- [10 1 1]
Distinct on {100}, poor on {110}; parting on {001}

Mohs Hardness

3.5-47-8.5
2 10
👆🏻

Chemical Composition

Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
AlAl6O3BSi3O18

Pyromorphite and Dumortierite Chemical Formula

While comparing Pyromorphite and Dumortierite 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 Pyromorphite and Dumortierite chemical formula.

  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
  • Chemical formula of Dumortierite- AlAl6O3BSi3O18

Pyromorphite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.