Grattarola + -ite, from Giuseppe Grattarola, an Italian mineralogist. <span class="searchmatch">grattarolaite</span> (mineralogy) A trigonal-ditrigonal pyramidal mineral containing iron...
or discuss it at the Etymology scriptorium.) Grattarola m or f by sense a surname English: <span class="searchmatch">grattarolaite</span> Stefano Ravara, Mappa dei Cognomi, 2015–2025...