Pyrargyrite and Cordierite Iolite Physical Properties

Pyrargyrite

Cordierite Iolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.852.56-2.66

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Distinct on {10 1 1}, imperfect on {01 1 2}

Not Available

1.7 Mohs Hardness

2.5-37-7.5

2 10

1.8 Chemical Composition

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

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Pyrargyrite and Cordierite Iolite Chemical Formula

While comparing Pyrargyrite and Cordierite Iolite 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 Pyrargyrite and Cordierite Iolite chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

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Pyrargyrite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.