atacamite Min.
(əˈtækəmaɪt)
[f. Atacama, a province of Chile, where found + -ite, min. form.]
A bright green ore, an oxychloride of copper, found in Chile, Australia, and at St. Just in Cornwall.
| 1837–68 Dana Min. 121. 1869 Phillips Vesuv. x. 280 Atacamite has been found incrusting lavas. |