MINERAL: THE QUARTZ, WHETHER THE FORM AND NAME THAT IT ACQUIRES DUE TO ITS CHEMICAL COMPOSITION, IS ONE OF THE MOST USED IN THE STUDY AND CURE OF GEMOTHERAPY, AND MADE CRAFTSELY, AS IT DOES IT, WITH A NECKLACE IN QUARTZ. GREEN COLOR, WHICH HAS A LENGTH OF 50 CMS, WITH FORNITURES AND THREADS OF GOOD QUALITY, AND FINISHED WITH CARABINER CLOSURE, WITH ROUND AND ELONGED SPHERES, MAKING IT AN EXCELLENT PIECE, DELIVERED IN A JEWELRY BOX.