This bracelet is made with a 12mm black onyx stone and 6mm rose quartz and black tourmaline bead stones. These stones are all genuine. It is strung on high endurance stretch elastic and measures 7 inches and is quality tested for durability. Beneficial in yoga, meditation, chakra balancing, reiki and energy work. Black onyx can help release negative emotions such as sorrow and grief. Rose quartz inspires unconditional love and peace. It promotes self love and acceptance, calms and supports and reassures during trauma. Brings romantic love and relationships. Restores trust and harmony in relationships and reminds one of positive affirmations and intentions (Heart chakra). Black Tourmaline is a powerful stone for protection against negative energy of all kinds, as well as being a strong spiritual grounding stone. This stone is a powerful asset to your health, as it not only removes the negative energy but by changing it to positive energy it has an excellent effect on your well being.