Riebeckite and Phosgenite Physical Properties

Riebeckite

Phosgenite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.446.13

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

Distinct on {001} and {110}, indistinct on {100}

1.7 Mohs Hardness

5.0-6.02-3

2 10

1.8 Chemical Composition

Not Available

Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Riebeckite and Phosgenite Chemical Formula

While comparing Riebeckite and Phosgenite 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 Riebeckite and Phosgenite chemical formula.

Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Riebeckite and Phosgenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Phosgenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Phosgenite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 6.13 whereas that of Phosgenite is 6.13.