Vishnevite and Phosgenite Physical Properties

Vishnevite

Phosgenite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available6.13

1 7.18

1.5 Fracture

Brittle, Uneven

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

1.6 Cleavage

Perfect

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

1.7 Mohs Hardness

5-62-3

2 10

1.8 Chemical Composition

Not Available

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

Vishnevite and Phosgenite Chemical Formula

While comparing Vishnevite 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 Vishnevite 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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Vishnevite and Phosgenite Specific Gravity

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