Ordinary bottle glass appears nearly colourless when viewed through the wall of the bottle but visibly coloured

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Ordinary bottle glass appears nearly colourless when viewed through the wall of the bottle but visibly coloured (green) when viewed from the end so that the light has a long path through the glass. The colour is associated with the presence of Fe3+ in the silicate matrix. Explain this observation.

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Inorganic Chemistry

ISBN: 9780198768128

7th Edition

Authors: Mark Weller, Tina Overton, Jonathan Rourke

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