Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A green variety of microcline, often used as a semiprecious stone.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) A variety of feldspar, having a verdigris-green color.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun a gem variety of microcline feldspar, varying from bright verdigris green to a bluish green.

Etymologies

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

[After the Amazon (River).]

Examples

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