Fibrolite and Cordierite Physical Properties

Fibrolite

Cordierite

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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

3.14-3.252.57-2.66

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Not Available

Fair on {100}, poor on {001} and {010}

1.7 Mohs Hardness

6-77-7.5

2 10

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Mg2Al4Si5O18

Fibrolite and Cordierite Chemical Formula

While comparing Fibrolite and Cordierite 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 Fibrolite and Cordierite chemical formula.

Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
Chemical formula of Cordierite- Mg2Al4Si5O18

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Fibrolite Vs Grandidierite

Fibrolite Vs Glass

Fibrolite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.