amazonstone

天河石

词形变化

amazonstones 复数 amazonstones

释义与例句

n.
  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.

    可数 不可数

词源

From Amazon + stone, after the Amazon river.

来源：wiktionary