6mm & 12mm Black Smoky Quartz Obsidian 12mm Cherry Chalcedony (Obsidian resonate third eye chakras, strongly protective stone, forming a shield against negativity, grounds you to the earth through the base chakra,brings you healthy and happy life. ( Cherry Chalcedony - Root Chakras) brings spiritual energy into the earth plane manifestation, promotes energy movement from the head to the feet. Directs energy to where it is needed most. It smmthes, heals, stimulates, recharges, motivates and aligns the meridians of the body. Brings you joy, generosity, abundance and good health.)