白はく榴りゅう石せきじ字FuriganaMeanings1nounleucitemineralogy›A mineral name used in geology and mineralogy; a potassium aluminum silicate mineral found in volcanic rocks.白はく榴りゅう石せきは火か山ざん岩がんによく見みられる鉱こう物ぶつです。Leucite is a mineral commonly found in volcanic rocks.