南なん部ぶ石せきMeanings1nounnambulitegeologyA rare mineral name used in geology. Named after the Nambu region of Japan.南なん部ぶ石せきは、岩いわ手て県けんの南なん部ぶ地ち域いきで発はっ見けんされた鉱こう物ぶつです。Nambulite is a mineral discovered in the Nambu region of Iwate Prefecture.