Cordierite and Hibonite Physical Properties

Cordierite

Hibonite

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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

2.57-2.66

3.84

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

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

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

7-7.5

7.5-8

1.8 Chemical Composition

Mg2Al4Si5O18

(Ca,Ce)(Al,Ti,Mg)12O19

Cordierite and Hibonite Chemical Formula

While comparing Cordierite and Hibonite 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 Hibonite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

Compare Blue Gemstones

Cordierite Vs Riebeckite

Cordierite Vs Plumbogummite

Cordierite Vs Rosasite

Cordierite and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.84 whereas that of Hibonite is 3.84.

Blue Gemstones

Glaucophane

Hauyne

Kainite

Lawsonite

Plumbogummite

Riebeckite