An amphibole mineral consisting of calcium magnesium silicate in monoclinic crystalline form,a source of jade that is less valuable than from jadeite,once believed to cure kidney disorders.

• 一种含钙、镁硅酸盐的闪石，属单斜晶系，作为玉的来源，不如硬玉贵重，曾被认为可以治疗肾功能紊乱。