Abstract
WE have found that the amount of silicon dissolved in water from opal and its rate of dissolution, increases linearly with decreasing index of refraction of the opal. The decrease in refractive index corresponds to an increase in water content of the opal1,2.
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HUANG, W., VOGLER, D. Dissolution of Opal in Water and its Water Content. Nature Physical Science 235, 157–158 (1972). https://doi.org/10.1038/physci235157a0
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DOI: https://doi.org/10.1038/physci235157a0
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