rüˈbeˌlīt, ˈrübəˌl- noun
( -s )
Etymology: Latin rubell us reddish (from ruber red) + English -ite — more at red
1. : a mineral consisting of a tourmaline varying from a pale rose red to a deep ruby red and found especially in California, Brazil, and the Ural mountains
2. : a vivid purplish red that is bluer and duller than Indiana and bluer and darker than malmaison rose