a light-colored, hard, crystalline pyroxene, CaMg(SiO), calcium magnesium silicate, found in some limestones and metamorphic rocks and sometimes used as a gem
Origin of diopsideFrench from di- (see di-) + Classical Greek opsis, appearance, sight ( from ?ps, eye); associated, association in meaning with Classical Greek diopsis, transparency from dia-, through + opsis, sight
A light green, monoclinic pyroxene mineral, CaMgSi2O6, used as a gemstone and refractory.
Origin of diopsideFrench di- two ( from Greek; see di- 1. )Greek -opsis -opsis