石せき髄ずいMeanings1nounlithomargemineralogyTechnical mineralogy term for a compact, clay-like variety of kaolinite. Rare outside specialized contexts.石せき髄ずいはカオリナイトの一いっ種しゅで、緻ち密みつな塊かい状じょうを呈ていする。Lithomarge is a variety of kaolinite that occurs in dense, massive form.
