Cordierite and Serendibite Physical Properties

Cordierite

Serendibite

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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

2.57-2.663.43-3.44

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

None Observed

1.7 Mohs Hardness

7-7.56.5-7

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Serendibite Chemical Formula

While comparing Cordierite and Serendibite 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 Serendibite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Serendibite- Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cordierite and Serendibite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Serendibite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Serendibite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.43-3.44 whereas that of Serendibite is 3.43-3.44.