Almandine Garnet and Cordierite Iolite Physical Properties

Almandine Garnet

Cordierite Iolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32.56-2.66

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

None.

Not Available

1.7 Mohs Hardness

7.5-8.57-7.5

2 10

1.8 Chemical Composition

Fe₃Al₂Si₃O₁₂

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Almandine Garnet and Cordierite Iolite Chemical Formula

While comparing Almandine Garnet and Cordierite Iolite 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 Iolite chemical formula.

Chemical formula of Almandine Garnet- Fe₃Al₂Si₃O₁₂
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

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Almandine Garnet and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine Garnet and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine Garnet and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Almandine Garnet is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.