Almandine Garnet and Cordierite Physical Properties

Almandine Garnet

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

4.32.57-2.66

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

7.5-8.57-7.5

2 10

1.8 Chemical Composition

Fe₃Al₂Si₃O₁₂

Mg2Al4Si5O18

Almandine Garnet and Cordierite Chemical Formula

While comparing Almandine Garnet 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 Almandine Garnet and Cordierite chemical formula.

Chemical formula of Almandine Garnet- Fe₃Al₂Si₃O₁₂
Chemical formula of Cordierite- Mg2Al4Si5O18

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Almandine Garnet and Cordierite Specific Gravity

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