サヌカイトサヌカイトMeanings1nounsanukiteA type of volcanic rock, specifically a variety of andesite found in Japan. Used in geology and petrology.サヌカイトは讃さぬ岐き地ち方ほうで産さん出しゅつされる火か山ざん岩がんです。Sanukite is a volcanic rock produced in the Sanuki region.