Phenakite and Pyromorphite Physical Properties

Phenakite

Pyromorphite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.986.5-7.1

1 7.18

1.5 Fracture

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

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

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

Imperfect- [10 1 1]

1.7 Mohs Hardness

7.5-83.5-4

2 10

1.8 Chemical Composition

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

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

Phenakite and Pyromorphite Chemical Formula

While comparing Phenakite 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 Phenakite and Pyromorphite chemical formula.

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

Compare Colorless Gems

Phenakite Vs Pyromorphite

Phenakite Vs Prase Opal

Phenakite Vs Quartz

Phenakite and Pyromorphite Specific Gravity

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