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Simpsonite
Simpsonite

Pyromorphite
Pyromorphite



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Simpsonite
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Pyromorphite

Simpsonite 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
Not Available6.5-7.1
Amber
1 7.18
1.5 Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
1.6 Cleavage
None
Imperfect- [10 1 1]
1.7 Mohs Hardness
7-7.53.5-4
Amber
2 10
1.8 Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Simpsonite and Pyromorphite Chemical Formula

While comparing Simpsonite 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 Simpsonite and Pyromorphite chemical formula.

  • Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Simpsonite and Pyromorphite Specific Gravity

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