Anglesite and Pyromorphite Physical Properties

Anglesite

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

6.30-6.396.5-7.1

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

[001] good, [210] distinct

Imperfect- [10 1 1]

1.7 Mohs Hardness

3-3.53.5-4

2 10

1.8 Chemical Composition

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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

Anglesite and Pyromorphite Chemical Formula

While comparing Anglesite 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 Anglesite and Pyromorphite chemical formula.

Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Compare Green Gemstones

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Anglesite and Pyromorphite Specific Gravity

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