Emily Dickinson Lexicon

CEY'LAN-ITE, n. [from Ceylon.]

A mineral classed with the ruby family; called also pleonaste. Its color is a muddy, dark blue, and grayish black, approaching to iron black. It occurs in grains, or small crystals, either perfect octahedrons, or truncated on the edges, or with the angles acuminated by four planes. It occurs also in rhomboidal dodecahedrons. – Cyc. Ure.