jasper is the best for stress. It is known as the “supreme nurturer” and it said to help achieve a state of calm and zen. It protects your energy by absorbing all the negativity, so it's a great one to have on hand when going through a hard time.
Red Jasper has many healing properties. It is a great stone for warding off negative energy and EMFs. It can be used to keep the body strong and detoxed.