Transvaal Jade and Cordierite Iolite Physical Properties

Transvaal Jade

Cordierite Iolite

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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

3.55-3.732.56-2.66

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Transvaal Jade and Cordierite Iolite Chemical Formula

While comparing Transvaal Jade 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 Transvaal Jade and Cordierite Iolite chemical formula.

Chemical formula of Transvaal Jade- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

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Transvaal Jade and Cordierite Iolite Specific Gravity

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