Enargite

/ɛnˈɑrdʒaɪt/ noun

Definition

A copper arsenic sulfide mineral with a metallic luster, often found in ore deposits and valued for its copper content.

Etymology

Named after Greek 'enargeia' (clarity, distinctness) because of its distinct crystal structure. The '-ite' suffix is standard for minerals. Named by mineralogists in the 1800s for its distinctive appearance.

Kelly Says

Enargite looks like solid metal but it's actually a trio of elements—copper, arsenic, and sulfur—bonded together. Its name comes from Greek word meaning 'clear' because you can see its crystal structure so distinctly.

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