Marialite and Pyromorphite Physical Properties

Marialite

Pyromorphite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.506.5-7.1

1 7.18

1.5 Fracture

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

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

Distinct on {100} and {110}

Imperfect- [10 1 1]

1.7 Mohs Hardness

5.5-63.5-4

2 10

1.8 Chemical Composition

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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

Marialite and Pyromorphite Chemical Formula

While comparing Marialite 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 Marialite and Pyromorphite chemical formula.

Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony 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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Marialite and Pyromorphite Specific Gravity

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