ˈstrüˌvīt noun
( -s )
Etymology: Swedish struveit, from H. C. G. von Struve died 1851 Russ. diplomat + Swedish -it -ite
: a mineral Mg(NH 4 )(PO 4 ).6H 2 O consisting of a hydrous ammonium magnesium phosphate and occurring in white orthorhombic-hemimorphic crystals (hardness 2, specific gravity 1.7)