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Riebeckite
Riebeckite

Phosgenite
Phosgenite



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Riebeckite
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Riebeckite and Phosgenite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Sectile
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.28-3.44
6.13
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
5.0-6.0
2-3
1.8 Chemical Composition
Not Available
Pb 2(CO 3)Cl 2Michael O’Donoghue , 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.

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

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.