sicklerite
noun
sick·ler·ite
ˈsikləˌrīt
plural -s
: a mineral (Li,Mn)(PO4) consisting of a hydrous lithium manganese phosphate and occurring in dark brown cleavable masses and isomorphous with ferrisicklerite (specific gravity 3.4)
Word History
Etymology
Sickler family of Pala, San Diego county, California + English -ite