also: たばふっせき
noun
stilbite; desmine
A zeolite mineral; technical term used in mineralogy.
束沸石はゼオライトの一種で、沸石グループに属する。
Stilbite is a type of zeolite and belongs to the zeolite group.
The kanji 束 (bundle) and 沸石 (zeolite) describe the mineral's appearance and classification. The exact derivation is uncertain.