crookes·​ite | \ ˈkru̇kˌsīt \
plural -s

Definition of crookesite

: a mineral (Cu,Tl,Ag)2Se consisting of selenide of copper, thallium, and silver occurring in lead-gray metallic-looking masses (specific gravity 6.9)

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History and Etymology for crookesite

French, from Sir Wm. Crookes + French -ite

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Dictionary Entries Near crookesite

Crookes glass


Crookes tube

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Cite this Entry

“Crookesite.” Dictionary, Merriam-Webster, Accessed 16 Oct. 2021.

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