noun
tremolite
A mineral belonging to the amphibole group; a calcium magnesium silicate. Used in geological and mineralogical contexts.
透閃石は変成岩によく見られる鉱物です。
Tremolite is a mineral commonly found in metamorphic rocks.
The Japanese name 透閃石 (tōsenseki) is a calque of the mineral name tremolite, combining 透 (transparent) and 閃 (flash, glimmer) with 石 (stone), reflecting its translucent, lustrous appearance.