cordierite

名词 cordierite:

1. a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone

cor.di.er.ite

n.（名词）
A dichroic violet-blue to gray mineral silicate of magnesium, aluminum, and sometimes iron.Also called dichroite
堇青石：一种呈介于紫蓝于灰色的二色性矿物，是含镁、铝、有的也含铁的硅酸盐也作 dichroite

来源：
French
法语
after Pierre L. Cordier (777-8'), French geologist
源自皮埃尔·Ｌ 科尔迪耶 (777-8'年），法国地质学家