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