roeblingite
/ˈrəːblɪŋʌɪt/Mineralogy
noun
A rare mineral found as an alteration product of lead ore and typically occurring as compact white masses of minute crystals.
- Roeblingite is a sulphate, silicate, and hydroxide of lead, calcium, and manganese, Pb2Ca6Mn(Si6O18)(SO4)2(OH)2·4H2O. Crystal system: monoclinic..
Origin
Late 19th century. From the name of W. A. Roebling, U.S. civil engineer + -ite.