Phosphophyllite and Pyromorphite Physical Properties

Phosphophyllite

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

3.07-3.13

6.5-7.1

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

{100} Perfect, {010} Distinct, {102} Distinct

Imperfect- [10 1 1]

1.7 Mohs Hardness

3-3.5

3.5-4

1.8 Chemical Composition

Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Phosphophyllite and Pyromorphite Chemical Formula

While comparing Phosphophyllite 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 Phosphophyllite and Pyromorphite chemical formula.

Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Compare Colorless Gems

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Phosphophyllite Vs Pyromorphite

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Phosphophyllite and Pyromorphite Specific Gravity

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