ˌbrünyəˈteˌlīt noun
( -s )
Etymology: Italian brugnatellite, from Luigi Brugnatelli died 1928 Italian mineralogist + Italian -ite
: a mineral Mg 6 Fe(OH) 13 (CO 3 ).4H 2 O consisting of a hydrous ultrabasic carbonate of iron and magnesium occurring in flesh-red lamellar masses