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atacamite

[ at-uh-kam-ahyt, uh-tak-uh-mahyt ]
/ ˌæt əˈkæm aɪt, əˈtæk əˌmaɪt /
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noun
a mineral, hydrated chloride of copper, Cu2Cl(OH)3, occurring in a green, granular form: a minor ore of copper.
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Origin of atacamite

1830–40; named after Atacama Desert; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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