A group of sharp and transparent quartz crystals with horizontally striated prisms and curious polycrystalline growths on terminal faces. In its back side, some groups of epidote crystals penetrating the quartz. With inclusions. From a not well known locality, near to Cali. THE MAIN CRYSTAL IS: 5 x 2,8 x 1,9 cm.
LOCATED: DEPARTAMENTO DE VALLE DEL CAUCA, COLOMBIA