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Meaning of diopside

di•op•side

Pronunciation: (dī-op'sīd, -sid), [key]
— n. Mineral.
  1. a monoclinic pyroxene mineral, calcium magnesium silicate, CaMg(SiO), occurring in various colors, usually in crystals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.