Pyromorphite and Azurite Physical Properties

Pyromorphite

Azurite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.5-7.13.70-3.90

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Imperfect- [10 1 1]

Perfect on {011}, fair on {100}, poor on {110}

1.7 Mohs Hardness

3.5-43.5-4

2 10

1.8 Chemical Composition

Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyromorphite and Azurite Chemical Formula

While comparing Pyromorphite and Azurite 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 Azurite chemical formula.

Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Pyromorphite Vs Sapphire

Pyromorphite Vs Rutilated Quartz

Pyromorphite Vs Sapphirine

Pyromorphite and Azurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Azurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Azurite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 3.70-3.90 whereas that of Azurite is 3.70-3.90.