Citation: Clark, C. M.; Hawthorne, F. C.; Ottolini, L. (2011). Fluor-dravite, NaMg3Al6Si6O18(BO3)3(OH)3F, a new mineral species of the tourmaline group from the Crabtree Emerald mine, Mitchell County, North Carolina: Description and crystal structure. The Canadian Mineralogist, 49, pp. 57-62.