They can be toxic for a variety of reasons, but the most essential thing to determine is whether or not their toxicity is impacting you and your personal development.
You'll always get to a stage in life where you question yourself, "Would it still be worthwhile to remain with this individual?" regardless of what you are doing. This is true of all interactions, even relatives and friends who end up to be the most phony.
Fortunately, stones may assist us in returning to our center. Their potent healing abilities may draw in positive energy, raise your vibration, and clear negative energy off your atmosphere. They can increase our physical protective shield while balancing and protecting our precious energy. Such gifts from Mother Earth may be used to keep bad energies out of the house or taken with you as a protection symbol to repel anything that doesn't match your feel. They can also provide you with steadiness, willpower, and the courage to confront negative individuals or events that endanger your serenity.
Black Tourmaline

Black tourmaline is a powerful protective stone, it helps get rid of negative energies and attracts positive energies. Black tourmaline can also help calm your mind and works on balancing all of your chakras🖤
Amethyst

Amethyst is a protection stone with powerful cleaning and calming effects. This semi-precious stone has been connected with healing for a long time.
Selenite
Selenite will clear away darkness and shadows, help us avoid difficulties and protect us from harm and blame. Selenite is also know to unblocked stuck energy with rapid flowing and cooling energy by shifting your negative emotions by expanding your consciousness.