ˈchildrəˌnīt noun
( -s )
Etymology: John George Children died 1852 English scientist + English -ite
: a mineral (Fe,Mn)Al(PO 4 )(OH) 2 2H 2 O consisting of a hydrous basic iron aluminum phosphate in translucent pale yellowish to dark brown orthorhombic crystals (hardness 4.5-5, specific gravity 3.18-3.24)