Iolite and Phosgenite Physical Properties

Iolite

Phosgenite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.76.13

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

3,1

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

1.7 Mohs Hardness

7-7.52-3

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

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

Iolite and Phosgenite Chemical Formula

While comparing Iolite 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 Iolite and Phosgenite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Iolite and Phosgenite Specific Gravity

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