Crystal Quartz is the most healing mineral, it is the stone of power, it amplifies energy and connect you to your higher self. The Egyptians use these two combinations a lot, copper and crystal quartz. This ring is wrapped in a sturdy and thick wire gauge 10 (gauge is thickness of wire) and the wire don’t move or bend to loosen your stone and get it to come loose, no,no...no way! It is not adjustable I wil need your size to make your ring. Material made out of natural copper will need to be cleaned. Copper has healing properties it is to wear it in its natural state, so it will change color you just need clean it with lemon juice, vinegar or tarnX, it will look like new every time you clean.