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Pyromorphite
Pyromorphite

Scolecite
Scolecite



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Pyromorphite
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Scolecite

Pyromorphite and Scolecite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.5-7.12.20-2.23
Amber
1 7.18
1.5 Fracture
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven
1.6 Cleavage
Imperfect- [10 1 1]
Perfect on {110} and {1 1 0}
1.7 Mohs Hardness
3.5-45-5.5
Amber
2 10
1.8 Chemical Composition
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Pyromorphite and Scolecite Chemical Formula

While comparing Pyromorphite and Scolecite 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 Scolecite chemical formula.

  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
  • Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Pyromorphite and Scolecite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.