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Published online by Cambridge University Press: 06 March 2019
Crystallographic data for a wide range of crystalline borates are used as a basis to propose a set of topological criteria for the formation of vitreous borate networks, taking into account the topological degrees of freedom necessary for conventional glass formation. It is shown that considerable insight into the structural criteria for the formation of borate networks can be gained by studying the arrangements of superstructural units found in the various crystalline borates.