Answer: tortoiseshell

AnswerCrossword Clue
TORTOISESHELLMottled inlay material
TORTOISESHELLEyeglass-frame material
TORTOISESHELLMottled material
tortoiseshellThe semitransparent mottled yellow and brown shell of certain turtles, typically used to make jewelry or ornaments
tortoiseshellA synthetic substance made in imitation of this
tortoiseshellthe mottled horny substance of the shell of the hawksbill turtle used esp formerly in inlaying and in making various ornamental articles