Phosgenite and Lazulite Physical Properties

Phosgenite

Lazulite

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Physical Properties

Tenacity

Sectile

Solubility

Soluble

Durability

Specific Gravity

6.133.04-3.17

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

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

{001} Indistinct, {???} Indistinct

Mohs Hardness

2-35.5

2 10

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Chemical Composition

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

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Phosgenite and Lazulite Chemical Formula

While comparing Phosgenite and Lazulite 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 Lazulite chemical formula.

Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Compare White Gemstones

Phosgenite Vs Thomsonite

Phosgenite Vs Whitlockite

Phosgenite Vs Witherite

Phosgenite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosgenite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosgenite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Phosgenite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.