Cordierite Iolite and Vesuvianite Idocrase Physical Properties

Cordierite Iolite

Vesuvianite Idocrase

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.663.25-3.50

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gemstones of the world (2001) More from other references

1.6 Cleavage

Not Available

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

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

Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.

Cordierite Iolite and Vesuvianite Idocrase Chemical Formula

While comparing Cordierite Iolite and Vesuvianite Idocrase 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 Cordierite Iolite and Vesuvianite Idocrase chemical formula.

Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Chemical formula of Vesuvianite Idocrase- Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.

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Cordierite Iolite and Vesuvianite Idocrase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Vesuvianite Idocrase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Vesuvianite Idocrase Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 3.25-3.50 whereas that of Vesuvianite Idocrase is 3.25-3.50.