Wah Wah Mountains, Utah Red beryl (formerly known as "Bixbite" and marketed as "red emerald" or "scarlet emerald") is a red variety of Beryl. It was first described in 1904. The dark red color is attributed to Manganese ions. Utah is the only known locality for the mineral. The claim, once briefly operated by Tiffany and Co. in search of treasured gem rough, is now entirely depleted and closed.An emerald-cut red beryl which is notable for its large size and unenhanced color. Weighing approximately 4.51 carats and measuring 9.20 x 8.90 x 7.65mm