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Cinnabar
Cinnabar

Pyromorphite
Pyromorphite



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Cinnabar
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Pyromorphite

Cinnabar and Pyromorphite Physical Properties

1 Physical Properties
1.1 Tenacity
Slightly sectile
Brittle
1.2 Solubility
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
26.5-7.1
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gemstones (2009), Brittle
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
1.6 Cleavage
Prismatic {10 1 0}, perfect
Imperfect- [10 1 1]
1.7 Mohs Hardness
2-2.53.5-4
Amber
2 10
1.8 Chemical Composition
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Cinnabar and Pyromorphite Chemical Formula

While comparing Cinnabar 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 Cinnabar and Pyromorphite chemical formula.

  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Cinnabar and Pyromorphite Specific Gravity

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