スパー石せきMeanings1nounspurriteA rare calcium silicate carbonate mineral, typically found in contact metamorphic zones. Technical term used in geology and mineralogy.スパー石せきは接せっ触しょく変へん成せい岩がん中ちゅうに産さんする珍めずらしい鉱こう物ぶつである。Spurrite is a rare mineral that occurs in contact metamorphic rocks.