atacamite
[ at-uh-kam-ahyt, uh-tak-uh-mahyt ]
/ ˌæt əˈkæm aɪt, əˈtæk əˌmaɪt /
noun
a mineral, hydrated chloride of copper, Cu2Cl(OH)3, occurring in a green, granular form: a minor ore of copper.
Origin of atacamite
1830–40; named after
Atacama Desert; see
-ite1