IPA: /ˈrʌb.ɪ.laɪt/
KK: /ˈrʌbɪlaɪt/
A type of gemstone that is a red variety of tourmaline, often used in jewelry.
She wore a beautiful ring with a rubellite stone.
Rubellite is derived from "ruber" (meaning red) in Latin, combined with the suffix "-ite" (used to denote minerals or rocks). The word "rubellite" refers to a red variety of tourmaline, emphasizing its red color.
Think of the Latin word for red, 'ruber', to remember that rubellite is a red mineral.