Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A coarse-grained greenish rock consisting primarily of garnet and sodic pyroxene, and often including quartz, kyanite, and rutile.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A coarse-grained metamorphic rock, a mixture of pyroxene, quartz, and feldspar with inclusions of red garnet.

from the GNU version of the Collaborative International Dictionary of English

  • n. A rock consisting of granular red garnet, light green smaragdite, and common hornblende; -- so called in reference to its beauty.

from The Century Dictionary and Cyclopedia

  • n. The name given by Haüy to a rock consisting of a crystalline-granular aggregate of omphacite (a granular, grass-green variety of pyroxene) with red garnet.

Etymologies

French éclogite, from Greek eklogē, selection (because the minerals it contains are not usually found together); see eclogue.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek ἐκλογή (ekloge, "selection"). (Wiktionary)

Examples

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