The Gemological Institute of America has a museum in Carlsbad,California. Among the exhibits is Symphony in Gemstones. Describing the exhibit, GIA notes, “Commissioned by Art Sexauer, GIA museum benefactor, and hand-carved by Master Carver Lothar Hermann of Idar-Oberstein, Germany, “Symphony in Gemstones” features tourmaline violins, a Persian turquoise trumpet, lapis saxophone, a tiger-eye harp and a black onyx grand piano with a white quartz keyboard. The instruments are set with 14K gold and displayed on a marble stage.”
Seen below is Persian turquoise trumpet.