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Tourmaline
Tourmaline

Pyromorphite
Pyromorphite



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Tourmaline 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
2.85-3.35
6.5-7.1
1.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
1.6 Cleavage
Indistinct
Imperfect- [10 1 1]
1.7 Mohs Hardness
7-7.5
3.5-4
1.8 Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Tourmaline and Pyromorphite Chemical Formula

While comparing Tourmaline 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 Tourmaline and Pyromorphite chemical formula.

  • Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Tourmaline and Pyromorphite Specific Gravity

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