Chondrodite and Cordierite Iolite Physical Properties

Chondrodite

Cordierite Iolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.10-3.20

2.56-2.66

1.5 Fracture

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

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

1.6 Cleavage

Poor to good on (001)

Not Available

1.7 Mohs Hardness

6-6.5

7-7.5

1.8 Chemical Composition

(Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

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

Chondrodite and Cordierite Iolite Chemical Formula

While comparing Chondrodite 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 Chondrodite and Cordierite Iolite chemical formula.

Chemical formula of Chondrodite- (Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Compare Red Gemstones

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Chondrodite Vs Common Opal

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Chondrodite and Cordierite Iolite Specific Gravity

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