LUENEBURGITE

ˈlünəˌbərˌgīt noun

( -s )

Etymology: German lüneburgit, from Lüneburg, Germany, its locality + German -it -ite

: a mineral Mg 3 B 2 (OH) 6 (PO 4 ) 2 .6H 2 O consisting of a hydrous basic phosphate of magnesium and boron