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from the Crabtree emerald mine, Mitchell County, North Carolina: description and crystal structure, in \u003Ci>Tourmaline: An ideal indicator of its host environment\u003C\u002Fi>. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  49 (1) 57-62 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.49.1.57'>doi:10.3749\u002Fcanmin.49.1.57\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM49_57.pdf' class='refpdflink'>\u003C\u002Fa>","10.3749\u002Fcanmin.49.1.57",{"id":337,"year":338,"html":339,"doi":11},16964367,2017,"(2017) Fluor-dravite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ffluor-dravite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[342,348,354,360,366],{"id":343,"url":344,"label":345,"formula":346,"spacegroup":347,"year":31},4702,"\u002Fcif\u002F4702.cif","Clark 2011","Na.88 Ca.04 Mg1.83 Fe.87 Al6.03 Mn.09 Ti.03 Li.12 Si6 B3 F.61 O30.39 H3.39","R 3 m",{"id":349,"url":350,"label":351,"formula":352,"spacegroup":347,"year":353},4703,"\u002Fcif\u002F4703.cif","Bosi 2004","Na.477 Ca.412 K.015 Mg2.784 Al5.262 V.831 Cr.168 Ti.027 Zn.015 Fe.006 Mn.003 Si5.91 B3 O30.685 F.314 H3.248",2004,{"id":355,"url":356,"label":357,"formula":358,"spacegroup":347,"year":359},4704,"\u002Fcif\u002F4704.cif","Camara 2000","Na.81 Ca.01 K.01 Fe.9 Mg.6 Al6.78 Li.66 Ti.06 Si5.76 B3 O30.45 F.55 H3.42",2000,{"id":361,"url":362,"label":363,"formula":364,"spacegroup":347,"year":365},4705,"\u002Fcif\u002F4705.cif","Bloodaxe 1999","Na.471 Ca.368 K.029 Mg2.292 Fe1.143 Mn.012 Al5.439 Ti.033 Li.018 Si6 B3 F.495 O30.505 H3.02",1999,{"id":367,"url":368,"label":369,"formula":370,"spacegroup":347,"year":371},4706,"\u002Fcif\u002F4706.cif","Grice 1993","Na.55 Ca.35 Mg2.35 Li.039 Fe1.1 Al5.47 Ti.05 Si5.98 B3 F.44 O30.56 H3.21",1993,[373,374],"Fluor-draviet","IMA2009-089",[376,380,385,389],{"lang":377,"names":378},"ca",[379],"fluordravita",{"lang":381,"names":382},"de",[383,384],"Fluor-Dravit","IMA 2009-089",{"lang":386,"names":387},"eu",[388],"Fluor-dravita",{"lang":390,"names":391},"it",[392],"fluor-dravite","Q19833668",{"history":11,"applications":11}]