Citation: Sherriff, B. L.; Grundy, H. D.; Hartman, J. S.; Hawthorne, F. C.; Cerny, P. (1991). The incorporation of alkalis in beryl: multi-nuclear MAS NMR and crystal-structure study Sample: SHEE-1-6 Locality: SHEE-1 pegmatite dike, eastern end of Shatford Lake, southeastern Manitoba, Canada. The Canadian Mineralogist, 29, pp. 271-285.