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Pyromorphite
Pyromorphite

Cryolite
Cryolite



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Pyromorphite
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Cryolite

Pyromorphite and Cryolite 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
6.5-7.12.97
Amber
1 7.18
1.5 Fracture
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
Uneven
1.6 Cleavage
Imperfect- [10 1 1]
None observed
1.7 Mohs Hardness
3.5-42.5
Amber
2 10
1.8 Chemical Composition
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Na 3AlF 6Ulrich Henn and Claudio C.

Pyromorphite and Cryolite Chemical Formula

While comparing Pyromorphite and Cryolite 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 Cryolite chemical formula.

  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
  • Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

Pyromorphite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 2.97 whereas that of Cryolite is 2.97.