eudidymite
/juːdaɪˈdɪmɪt/ (YOO-dih-MITE)
Definitions
1. noun
A rare mineral, a hydrated sodium uranyl carbonate, Na4(UO2)2(CO3)3·5H2O.
“The geologist spent years studying eudidymite, a mineral found in only a few locations worldwide.”
2. adjective
Relating to or resembling eudidymite.
“The geologist described the mineral as eudidymite-like due to its similar composition.”