A superb gem phenakite crystal of 9 mm from Rio Piracicaba, Minas Gerais, Brazil. Phenakite is an uncommon beryllium silicate. The crystal is transparent, gem quality with a glassy luster and water clear. It has sharp shape. Complete all over 360 degree. The phenakites are highly sought-after. In excellent condition. On acrylic base.
Fine phenakite!