Kutnohorite and Cordierite Physical Properties

Kutnohorite

Cordierite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.12

2.57-2.66

1.5 Fracture

Subconchoidal, Brittle, Conchoidal

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Perfect on {10 1 1}

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

1.7 Mohs Hardness

3-4

7-7.5

1.8 Chemical Composition

Not Available

Mg2Al4Si5O18

Kutnohorite and Cordierite Chemical Formula

While comparing Kutnohorite 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 Kutnohorite and Cordierite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18

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Kutnohorite and Cordierite Specific Gravity

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