Cobaltite and Pyromorphite Physical Properties

Cobaltite

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

6.36.5-7.1

1 7.18

1.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

{100} Good, {010} Good, {001} Good

Imperfect- [10 1 1]

1.7 Mohs Hardness

5.53.5-4

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

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

Cobaltite and Pyromorphite Chemical Formula

While comparing Cobaltite 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 Cobaltite and Pyromorphite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

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Cobaltite and Pyromorphite Specific Gravity

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