Cordierite and Vanadinite Physical Properties

Cordierite

Vanadinite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.666.8-7.1

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Uneven, Conchoidal, Brittle

1.6 Cleavage

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

None

1.7 Mohs Hardness

7-7.53-4

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

C20H36

Cordierite and Vanadinite Chemical Formula

While comparing Cordierite and Vanadinite 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 Vanadinite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Vanadinite- C20H36

Compare Blue Gemstones

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Cordierite and Vanadinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Vanadinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Vanadinite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 6.8-7.1 whereas that of Vanadinite is 6.8-7.1.