Cordierite and Hemimorphite Physical Properties

Cordierite

Hemimorphite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

2.57-2.66

Subconchoidal, Conchoidal

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

7-7.5

Mg2Al4Si5O18

Brittle

Soluble

3.30-3.50

Uneven, ConchoidalWalter Schumann, Conchoidal

Perfect on {110}, poor on {101}, {001} rare

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Hemimorphite Chemical Formula

While comparing Cordierite and Hemimorphite 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 Cordierite and Hemimorphite chemical formula.

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Cordierite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Vs Hemimorphite during the identification of gemstone. Specific gravity of Cordierite is whereas that of Hemimorphite is .