Robuta

https://www.1828.mshaffer.com/d/word/mussite Mussite [ MUS'SITE, n. [from the valley of Mussa, in Piedmont.]A variety of ... ] :: Search the... Mussite [ MUS'SITE, n. [from the valley of Mussa, in Piedmont.]A variety of pyroxene of a greenish white color; otherwise called diopside. ] from themussitevalleymussapiedmont