Tourmalinated quartz offers benefits by combining the amplification of clear quartz with the protective and grounding qualities of black tourmaline, believed to clear negative energy, promote mental clarity, balance emotions, and aid physical well-being. It can also help in grounding your spiritual energy, strengthening your aura, and transforming negative thoughts into positive ones.  
Amethyst is a healing crystal believed to promote calmness, relieve stress and anxiety, and support spiritual growth and awareness by connecting to higher energies and opening the crown and third eye chakras. It's also considered a protective stone, said to shield against negative energy, and has been historically linked to aiding with addictions and promoting restful sleep.