Pyromorphite and Brucite Physical Properties

Pyromorphite

Brucite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.5-7.12.39

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

Irregular

1.6 Cleavage

Imperfect- [10 1 1]

Perfect on {0001}

1.7 Mohs Hardness

3.5-42.5

2 10

1.8 Chemical Composition

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

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Pyromorphite and Brucite Chemical Formula

While comparing Pyromorphite and Brucite 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 Brucite chemical formula.

Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Pyromorphite Vs Rutilated Quartz

Pyromorphite Vs Sapphire

Pyromorphite Vs Sapphirine

Pyromorphite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 2.39 whereas that of Brucite is 2.39.