Thomsonite Structure

Steven Dutch, Professor Emeritus, Natural and Applied Sciences, University of Wisconsin - Green Bay

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Thomsonite, NaCa₂[Al₅Si₅O₂₀]*6H₂O, is a zeolite with a structure very similat to natrolite, differing in slight distortion of the silica framework, aluminum-silicon ordering, and calcium content. Like most zeolites, the name is now regarded as a series.

View down the c-axis, showing the silica framework.

View down the c-axis, showing the silica framework, other cations (yellow: Na, orange: Ca), and water (blue: O, red: H)

View down the b-axis, showing the silica framework.

View down the b-axis, (c-axis horizontal) showing the silica framework, other cations (yellow: Na, orange: Ca), and water (blue: O, red: H)

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Created 15 October 2009, Last Update

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