Pyromorphite and Phenakite Physical Properties

Pyromorphite

Phenakite

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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

6.5-7.12.90-2.98

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle

1.6 Cleavage

Imperfect- [10 1 1]

Distinct on {11 2 0}, imperfect on {10 1 1}

1.7 Mohs Hardness

3.5-47.5-8

2 10

1.8 Chemical Composition

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

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyromorphite and Phenakite Chemical Formula

While comparing Pyromorphite and Phenakite 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 Phenakite chemical formula.

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

Compare Green Gemstones

Pyromorphite Vs Sapphirine

Pyromorphite Vs Rutilated Quartz

Pyromorphite Vs Sapphire

Pyromorphite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.