Agrellite and Cordierite Physical Properties

Agrellite

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

2.882.57-2.66

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

perfect [110]

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

1.7 Mohs Hardness

5.57-7.5

2 10

1.8 Chemical Composition

NaCa2Si4O10F

Mg2Al4Si5O18

Agrellite and Cordierite Chemical Formula

While comparing Agrellite 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 Agrellite and Cordierite chemical formula.

Chemical formula of Agrellite- NaCa2Si4O10F
Chemical formula of Cordierite- Mg2Al4Si5O18

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Agrellite and Cordierite Specific Gravity

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