Amazonstone

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A bluish-green variety of microcline feldspar used as a gemstone. The best known occurrences are at Crystal Peak and Pike's Peak in Colorado. countable, uncountable

Etymology

From Amazon + stone, after the Amazon river.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.