a green to black mineral of the amphibole group; consists of silicates of calcium and sodium and magnesium and iron
例句
用作名词(n.)
Hornblende bearing varieties bridge the gap over to amphibolites which are in bands and dikes.含角闪石的变种填补了带状和脉状角闪岩的中间相。
The mineralization and the alteration types are clearly distributed around the hornblende quartz diorite porphyry intrusion.其矿化围绕含眼球状石英斑晶的角闪石石英闪长玢岩及其环带状蚀变带分布。
