ˌyu̇rəˈnäspəˌnīt noun
( -s )
Etymology: German uranospinit, from uran- (II) + Greek spinos chaffinch (taken to mean siskin) + German -it -ite; from its color resembling that of the siskin — more at finch
: a mineral Ca(UO 2 ) 2 (AsO 4 ) 2 .8H 2 O that is a hydrous calcium uranium arsenate, occurs in green tabular crystals, and is isomorphous with zeunerite, torbernite, autunite, saléeite, and uranocircite