noun
epidote
A greenish to black calcium aluminum iron silicate mineral. Technical term used in geology and mineralogy.
緑簾石は変成岩によく見られる鉱物です。
Epidote is a mineral commonly found in metamorphic rocks.
The Japanese name 緑簾石 combines 緑 (green) and 簾石 (a mineral group name), reflecting its typical green color. The exact historical derivation is uncertain; the spelling is conventionally associated with the mineral epidote.