brugnatellite
noun
bru·gna·tel·lite
ˌbrünyəˈteˌlīt
plural -s
: a mineral Mg6Fe(OH)13(CO3).4H2O consisting of a hydrous ultrabasic carbonate of iron and magnesium occurring in flesh-red lamellar masses
Word History
Etymology
Italian brugnatellite, from Luigi Brugnatelli †1928 Italian mineralogist + Italian -ite