Nosean and Pyromorphite Physical Properties

Nosean

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

2.30-2.406.5-7.1

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

{110} Perfect

Imperfect- [10 1 1]

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

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

Nosean and Pyromorphite Chemical Formula

While comparing Nosean 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 Nosean and Pyromorphite chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Compare Blue Gemstones

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Nosean and Pyromorphite Specific Gravity

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