石せき髄ずい

noun

lithomarge

Technical 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.