Xonotlite and Cordierite Physical Properties

Xonotlite

Cordierite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.71-2.722.57-2.66

1 7.18

1.5 Fracture

Handbook of mineralogy (2001), Difficult, Fibrous

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

{???} Good

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

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Mg2Al4Si5O18

Xonotlite and Cordierite Chemical Formula

While comparing Xonotlite and Cordierite 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 Xonotlite and Cordierite chemical formula.

Chemical formula of Xonotlite- Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cordierite- Mg2Al4Si5O18

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Xonotlite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Xonotlite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Xonotlite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Xonotlite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.