You are purchasing a Chakra Pyramid, made of 7 different semi precious stones:
Red Jasper (Root Chakra), Peach Aventurine (Sacral Chakra), Golden Quartz (Solar Plexus), Green Aventurine(Heart Chakra), Syn Turquoise (Throat Chakra), Blue Aventurine/ Amethyst/ Crystal Quartz (Third Eye & Crown Chakra)
30-40mm in size.