ˈsärkəˌnīt noun
( -s )
Etymology: Swedish sarkinit, from sarkin- (from Greek sarkinos fleshlike, from sark-, sarx flesh) + -it -ite — more at sarcasm
: a mineral Mn 2 (AsO 4 )(OH) consisting of a hydrous manganese arsenate occurring in flesh red greasy monoclinic crystals (hardness 4-5, specific gravity 4.2)