Am'i-ăn'thi-nīte, n.
n. (Min.) A species of amorphous mineral, a variety of actinolite; its color ash, greenish, or yellowish gray, often mixed with yellow or red; its fracture confusedly foliated and fibrous. Kirwan.
n. (Min.) A species of amorphous mineral, a variety of actinolite; its color ash, greenish, or yellowish gray, often mixed with yellow or red; its fracture confusedly foliated and fibrous. Kirwan.