Hypertext Webster Gateway: "diopside"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Diopside \Di*op"side\, n. [Gr. di- = di`s- twice + ? a sight,
fr. the root of ? I shall see: cf. F. diopside.] (Min.)
A crystallized variety of pyroxene, of a clear, grayish green
color; mussite.
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