Crystal Quartz Crystal (quartz) is said to have the following effects: Purification and warding off evil: It is said to purify negative energy and evil thoughts, and to help restore harmony of mind and body. It is also said to have the effect of eliminating negative emotions such as jealousy, anger, and fear. Improved intuition and insight: It is known to enhance intuition and insight, and to bring spiritual insight and revelation. Support for self-improvement and spiritual growth: The transparent crystal symbolizes purity and a clear perspective, and is considered a tool to support self-improvement and spiritual growth. Physical effects: It is expected to activate metabolism, promote cell activation, and excrete toxins from the body. There are also theories that it is effective for improving physical strength, fatigue recovery, fever reduction, pain relief, and diarrhea. Strengthening and amplification of wishes: It can strengthen and amplify the owner's wishes, increase inspiration, and be expected to bring good ideas and sharpen creative sensitivity. Crystal has the stone words "perfection, calmness, and mystery" and is also known as one of the birthstones for April. Material, Size Power Stone Crystal Quartz 8mm beads Wrist circumference approx. 15cm The wrist circumference is narrow. This is a size for women.