AM_Hydroxy-dravite_7
Formula:
Na.605 Ca.151 K.01 Mg2.184 Al6.339 Fe.348 Ti.129 V.024 Zn.021 Mn.012 Cr.003 Si5.94 B3 O30.93 F.07 H.51
Name:
Hydroxy-dravite
Unit cell:
15.9341 15.9341 7.189 90.0 90.0 120.0 , V=1580.72
Space group:
R3M (160)
Bosi F , Lucchesi S , European Journal of Mineralogy , 16 (2004) p.335-344, Crystal chemistry of the schorl-dravite series, Note: Tourmaline TM9840c, Locality: Lake Baikal, Siberia