riebeckite

[ ree-be-kahyt ]

noun

1. an amphibolic mineral, silicate of sodium and iron, occurring usually in feldspathoid rocks.

Word History and Origins

Origin of riebeckite¹

1885–90; named after Emil Riebeck (died 1885), German explorer; -ite ¹

Example Sentences

Riebeckite-granites (paisanites) have close affinities to aplites, shown especially in the prevalence of alkali felspars.

From Project Gutenberg