childrenite
noun
chil·dren·ite
ˈchildrəˌnīt
plural -s
: a mineral (Fe,Mn)Al(PO4)(OH)22H2O 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)
Word History
Etymology
John George Children †1852 English scientist + English -ite