geffroyite
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English[edit]
Etymology[edit]
Geffroyite was named in honor of Jaques Geffroy, a metallurgist for the French Atomic Energy Commission.
geffroy + -ite
Noun[edit]
geffroyite
- (mineralogy) An isometric-hexoctahedral bronze brown mineral containing copper, iron, selenium, silver, and sulfur.
References[edit]
- David Barthelmy (1997–2024) “Geffroyite”, in Webmineral Mineralogy Database.