Cordierite Iolite and Weloganite Physical Properties

Cordierite Iolite

Weloganite

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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

2.56-2.663.20-3.22

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

Not Available

Perfect on pseudo {0001}

1.7 Mohs Hardness

7-7.53

2 10

1.8 Chemical Composition

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

Not Available

Cordierite Iolite and Weloganite Chemical Formula

While comparing Cordierite Iolite and Weloganite 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 Weloganite chemical formula.

Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

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Cordierite Iolite and Weloganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Weloganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Weloganite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 3.20-3.22 whereas that of Weloganite is 3.20-3.22.