Emily Dickinson Lexicon

RU'BEL-LITE, n. [from L. rubeus, red.]

A silicious mineral of a red color of various shades; the red shorl; siberite. It occurs in accumulated groups of a middle or large size, with straight tubular-like striae. In a red heat, it becomes snow-white and seems to phosphoresce. Kirwan. Rubellite is red tourmalin. Ure. Cyc.