Cordierite Iolite and Hibschite Physical Properties

Cordierite Iolite

Hibschite

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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

2.56-2.663.05-3.08

1 7.18

1.5 Fracture

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

Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

7-7.56.5

2 10

1.8 Chemical Composition

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

Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

Cordierite Iolite and Hibschite Chemical Formula

While comparing Cordierite Iolite and Hibschite 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 Hibschite chemical formula.

Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Chemical formula of Hibschite- Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

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Cordierite Iolite and Hibschite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Hibschite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Hibschite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 3.05-3.08 whereas that of Hibschite is 3.05-3.08.