Pyromorphite and Selenite Physical Properties

Pyromorphite

Selenite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.5-7.1Not Available

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

Not Available

1.6 Cleavage

Imperfect- [10 1 1]

Not Available

1.7 Mohs Hardness

3.5-42

2 10

1.8 Chemical Composition

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

Not Available

Pyromorphite and Selenite Chemical Formula

While comparing Pyromorphite and Selenite 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 Selenite chemical formula.

Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

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Pyromorphite Vs Sapphire

Pyromorphite and Selenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Selenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Selenite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is Not Available whereas that of Selenite is Not Available.