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Apatite
Apatite

Pyromorphite
Pyromorphite



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Apatite
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Pyromorphite

Apatite 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
3.16-3.236.5-7.1
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
1.6 Cleavage
[0001] indistinct, [1010] indistinct
Imperfect- [10 1 1]
1.7 Mohs Hardness
53.5-4
Amber
2 10
1.8 Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Apatite and Pyromorphite Chemical Formula

While comparing Apatite 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 Apatite and Pyromorphite chemical formula.

  • Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Apatite and Pyromorphite Specific Gravity

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