Bastnasite and Phosgenite Physical Properties

Bastnasite

Phosgenite

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Physical Properties

Tenacity

Sectile

Solubility

Soluble

Durability

Specific Gravity

4.95-5.06.13

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

Imperfect to indistinct on {10 1 0}, parting on {0001}

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

Mohs Hardness

4-52-3

2 10

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Chemical Composition

(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Bastnasite and Phosgenite Chemical Formula

While comparing Bastnasite 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 Bastnasite and Phosgenite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bastnasite and Phosgenite Specific Gravity

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