Afghanite and Phosgenite Physical Properties

Afghanite

Phosgenite

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Physical Properties

Tenacity

Sectile

Solubility

Soluble

Durability

Specific Gravity

2.55-2.656.13

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect {10 1 0}

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

Mohs Hardness

5.5-62-3

2 10

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Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

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

Afghanite and Phosgenite Chemical Formula

While comparing Afghanite 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 Afghanite and Phosgenite chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

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Afghanite Vs Kainite

Afghanite and Phosgenite Specific Gravity

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