Zebra Jasper is an awesome crystal is is a crown chakra and root chakra in the same stone. It brings balance and positivity into your life.
Smokey Quartz it disperses fear, lifts depression and negativity. And it brings emotional calmness relieving stress and anxiety and promotes positive thoughts of action and alleviates serious tendencies.
Black Tourmaline is also a grounding Crystal it absorbs negative energy from you and disperses it.