Sulphur and Pyromorphite Physical Properties

Sulphur

Pyromorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.05-2.086.5-7.1

1 7.18

1.5 Fracture

Not Available

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

Not Available

Imperfect- [10 1 1]

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

SWalter Schumann , Gemstones of the world (2001)

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

Sulphur and Pyromorphite Chemical Formula

While comparing Sulphur 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 Sulphur and Pyromorphite chemical formula.

Chemical formula of Sulphur- SWalter Schumann , Gemstones of the world (2001)
Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

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Sulphur and Pyromorphite Specific Gravity

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