Pyromorphite and Rutile Physical Properties

Pyromorphite

Rutile

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

6.5-7.14.20-4.30

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Imperfect- [10 1 1]

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

3.5-46-6.5

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Pyromorphite and Rutile Chemical Formula

While comparing Pyromorphite and Rutile 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 Rutile chemical formula.

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

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Pyromorphite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.