Phosgenite and Aragonite Physical Properties

Phosgenite

Aragonite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Soluble

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

6.132.93-2.96

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

2-33.5-4

2 10

1.8 Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Phosgenite and Aragonite Chemical Formula

While comparing Phosgenite and Aragonite 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 Aragonite chemical formula.

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

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Phosgenite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosgenite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosgenite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Phosgenite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.