Vesuvianite and Cordierite Physical Properties

Vesuvianite

Cordierite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Vesuvianite is virtually insolouble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.432.57-2.66

1 7.18

1.5 Fracture

Conchoidal, Brittle

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

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

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

1.7 Mohs Hardness

6-77-7.5

2 10

1.8 Chemical Composition

Not Available

Mg2Al4Si5O18

Vesuvianite and Cordierite Chemical Formula

While comparing Vesuvianite and Cordierite 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 Vesuvianite and Cordierite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18

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Vesuvianite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.