Cordierite and Zultanite Physical Properties

Cordierite

Zultanite

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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

2.57-2.66Not Available

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

7-7.56.5-7

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Not Available

Cordierite and Zultanite Chemical Formula

While comparing Cordierite and Zultanite 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 Zultanite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18

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Cordierite and Zultanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Zultanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Zultanite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is Not Available whereas that of Zultanite is Not Available.