tiger eye

Noun

tiger's eye (plural tiger's eyes)

1. A chatoyant gemstone that is usually yellow- to red-brown, with a silky lustre.
   • Every one noticed her eyes; the brown iris had golden glints that made them look like gold-stone, or, in softer lights, like that Colorado mineral called tiger-eye.1913 June, Willa Sibert Cather, chapter I, in O Pioneers!, Boston, Mass.; New York, N.Y.: Houghton Mifflin Company […], →OCLC, part I (The Wild Land), page 11