_:vb7365233 "A chatoyant gemstone that is usually yellow- to red-brown, with a silky lustre."@en . . "1" . _:vb7365234 "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."@en . _:vb7365234 "1913 June, Willa Sibert Cather, chapter I, in O Pioneers!, Boston, Mass.; New York, N.Y.: Houghton Mifflin Company\u00A0[\u2026], \u2192OCLC, part I (The Wild Land), page 11:"@en . _:vb7365234 . _:vb7365233 .