透とう閃せん石せき

noun

tremolite

A mineral belonging to the amphibole group; a calcium magnesium silicate. Used in geological and mineralogical contexts.

• 透とう閃せん石せきは変へん成せい岩がんによく見みられる鉱こう物ぶつです。

  Tremolite is a mineral commonly found in metamorphic rocks.