Pyromorphite and Friedelite Physical Properties

Pyromorphite

Friedelite

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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

6.5-7.13.06-3.19

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

Imperfect- [10 1 1]

{010} Perfect

1.7 Mohs Hardness

3.5-44-5

2 10

1.8 Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Pyromorphite and Friedelite Chemical Formula

While comparing Pyromorphite and Friedelite 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 Friedelite chemical formula.

Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Compare Green Gemstones

Pyromorphite Vs Sapphire

Pyromorphite Vs Rutilated Quartz

Pyromorphite Vs Sapphirine

Pyromorphite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.