1 crookesite | Definition of crookesite

crookesite

noun
crookes·​ite | \ ˈkru̇kËŒsÄ«t\
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)

History and Etymology for crookesite

French, from Sir Wm. Crookes + French -ite

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