Cordierite and Wavellite Physical Properties

Cordierite

Wavellite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.662.36

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

1.6 Cleavage

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

[110] perfect, [101] good, [010] distinct

1.7 Mohs Hardness

7-7.53.5-4

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Wavellite Chemical Formula

While comparing Cordierite and Wavellite 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 Wavellite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cordierite and Wavellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.36 whereas that of Wavellite is 2.36.