Minerals
Fluorcarmoite-(Bana)
fluorcarmoite-(BaNa)
Ba☐ Na2Na2☐ CaMg13Al(PO4)11(PO3OH)F2
Fluorcarmoite-(BaNa): Mineral information, data and localities. — via www.mindat.org · Source
Overview
Fluorcarmoite-(BaNa) is a rare phosphate mineral, belonging to arrojadite group, with the formula Ba[]Na2Na2[]CaMg13Al(PO4)11(PO3OH)F2. It is a barium-rich member of the group, as is arrojadite-(BaNa), arrojadite-(BaFe), fluorarrojadite-(BaFe) and an unapproved species ferri-arrojadite-(BaNa). The "-(BaNa)" suffix informs about the dominance of the particular elements (here barium and sodium) at the corresponding structural sites.