Pyrite Marcasite and Cordierite Physical Properties

Pyrite Marcasite

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

4.9-5.22.57-2.66

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

Not Available

Mg2Al4Si5O18

Pyrite Marcasite and Cordierite Chemical Formula

While comparing Pyrite Marcasite 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 Pyrite Marcasite and Cordierite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18

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Pyrite Marcasite and Cordierite Specific Gravity

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