riebeckite
/raɪbɛkˈaɪt/Definitions
1. noun
a silicate mineral of composition Na2Ca[FeSi2O6]·H2O, occurring in igneous rocks and often containing uranium and thorium.
“The geologist identified riebeckite in the core sample from the volcano.”
1. noun
a silicate mineral of composition Na2Ca[FeSi2O6]·H2O, occurring in igneous rocks and often containing uranium and thorium.
“The geologist identified riebeckite in the core sample from the volcano.”