Cordierite and Papagoite Physical Properties

Cordierite

Papagoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.663.25

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Brittle, Metallic

1.6 Cleavage

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

Imperfect in one direction

1.7 Mohs Hardness

7-7.55-5.5

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Cordierite and Papagoite Chemical Formula

While comparing Cordierite and Papagoite 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 Papagoite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Cordierite and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.25 whereas that of Papagoite is 3.25.