Cordierite and Shattuckite Physical Properties

Cordierite

Shattuckite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.663.80-4.15

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

perfect along [010] and [100]

1.7 Mohs Hardness

7-7.53.5-4

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Shattuckite Chemical Formula

While comparing Cordierite and Shattuckite 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 Shattuckite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cordierite and Shattuckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.