Pyromorphite and Anglesite Physical Properties

Pyromorphite

Anglesite

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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

6.5-7.16.30-6.39

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

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

1.6 Cleavage

Imperfect- [10 1 1]

[001] good, [210] distinct

1.7 Mohs Hardness

3.5-43-3.5

2 10

1.8 Chemical Composition

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

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

Pyromorphite and Anglesite Chemical Formula

While comparing Pyromorphite and Anglesite 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 Anglesite chemical formula.

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

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Pyromorphite Vs Rutilated Quartz

Pyromorphite and Anglesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Anglesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Anglesite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 6.30-6.39 whereas that of Anglesite is 6.30-6.39.