The "MAG" men's choker is a combination of aventurine, onyx and volcanic lava. Volcanic lava is a stone that strengthens the energy of the body and mind. It is also a meditation stone supporting connection with the energy of the earth. It strengthens the sense of security and inner peace. Aventurine is a stone of adventure and happy coincidences. favors the temperature of romantic relationships. it also strengthens courage, power and libido. Onyx, on the other hand, is a stone of power and energy of the earth, it gives a sense of security, strengthens power over one's life, and transforms unfavorable energies.