Smokey Quartz is a calming/grounding stone that aids in protection from negativity. It absorbs negative energy, so it is a great stone for use in protection. Smokey Quartz is also used as a grounding stone, and helps lessen anxiety, depression, fear, and negative thinking.
Crystals come into contact and can hold energy and intent from others (hands) so here are ways to clear/cleanse & activate your stone.
To cleanse:. Smudge with smoke and speak intentionally over it. Visualize white light pouring out over your crystals and ask Spirit to dispel all negative energy that doesn't serve you.
To activate/program: Speak the desired intentions over your stone. "I speak/pray the intention of ______ over this crystal for my highest good." Wear the crystal close to your body to connect with it.