Cordierite and Hanksite Physical Properties

Cordierite

Hanksite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Readily soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.66

2.562

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Uneven, Conchoidal, Brittle

1.6 Cleavage

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

Good on {0001}

1.7 Mohs Hardness

7-7.5

3-3.5

1.8 Chemical Composition

Mg2Al4Si5O18

KNa22(SO4)9(CO3)2Cl

Cordierite and Hanksite Chemical Formula

While comparing Cordierite and Hanksite 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 Hanksite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl

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Cordierite and Hanksite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Hanksite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Hanksite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.562 whereas that of Hanksite is 2.562.