Cordierite and Vesuvianite Physical Properties

Cordierite

Vesuvianite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Vesuvianite is virtually insolouble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.663.32-3.43

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Conchoidal, Brittle

1.6 Cleavage

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

Poor on {110} and {100} very poor on {001}

1.7 Mohs Hardness

7-7.56-7

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Not Available

Cordierite and Vesuvianite Chemical Formula

While comparing Cordierite and Vesuvianite 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 Vesuvianite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18

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Cordierite and Vesuvianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Vesuvianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Vesuvianite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.32-3.43 whereas that of Vesuvianite is 3.32-3.43.