Rutile and Pyromorphite Physical Properties

Rutile

Pyromorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Insoluble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.306.5-7.1

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

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

Imperfect- [10 1 1]

1.7 Mohs Hardness

6-6.53.5-4

2 10

1.8 Chemical Composition

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

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

Rutile and Pyromorphite Chemical Formula

While comparing Rutile 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 Rutile and Pyromorphite chemical formula.

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

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Rutile and Pyromorphite Specific Gravity

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