Cordierite Iolite and Hexagonite Physical Properties

Cordierite Iolite

Hexagonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.662.98-3.03

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Not Available

[110] perfect; [010] distinct

1.7 Mohs Hardness

7-7.55-6

2 10

1.8 Chemical Composition

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

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Cordierite Iolite and Hexagonite Chemical Formula

While comparing Cordierite Iolite and Hexagonite 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 Hexagonite chemical formula.

Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Cordierite Iolite and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.