Cordierite and Cavansite Physical Properties

Cordierite

Cavansite

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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

2.57-2.66

2.25-2.33

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

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

Good on {010}

1.7 Mohs Hardness

7-7.5

3-4

1.8 Chemical Composition

Mg2Al4Si5O18

Ca(VO)Si4O10•4(H2O)

Cordierite and Cavansite Chemical Formula

While comparing Cordierite and Cavansite 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 Cavansite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)

Compare Blue Gemstones

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Cordierite and Cavansite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Cavansite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Cavansite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.25-2.33 whereas that of Cavansite is 2.25-2.33.