rə̇ˈsheˌlīt noun
( -s )
Etymology: French richellite, from Richelle, near Visé, Liége prov., Belgium + French -ite
: a mineral Ca 3 Fe 10 (PO 4 ) 8 (OH,F) 12 . n H 2 O(?) consisting of a basic hydrous fluophosphate of iron and calcium in yellow masses