Cordierite and Nickeline Physical Properties

Cordierite

Nickeline

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.66Not Available

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Conchoidal, Uneven

1.6 Cleavage

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

{1010} Imperfect, {0001} Imperfect

1.7 Mohs Hardness

7-7.55-5.5

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Not Available

Cordierite and Nickeline Chemical Formula

While comparing Cordierite and Nickeline 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 and Nickeline chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18

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Cordierite and Nickeline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Nickeline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Nickeline Optical Properties during the identification of gemstone. Specific gravity of Cordierite is Not Available whereas that of Nickeline is Not Available.