Phosgenite and Lazurite Physical Properties

Phosgenite

Lazurite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.132.75

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Imperfect on {110}

1.7 Mohs Hardness

2-35.5

2 10

1.8 Chemical Composition

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

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Phosgenite and Lazurite Chemical Formula

While comparing Phosgenite and Lazurite 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 Phosgenite and Lazurite chemical formula.

Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Compare White Gemstones

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Phosgenite Vs Rock Crystal

Phosgenite and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosgenite and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosgenite and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Phosgenite is 2.75 whereas that of Lazurite is 2.75.