New Natural Opal Bracelet [Natural Opal Power Stone] Opal has long been believed to be the "stone of hope" and the "stone of happiness." It is also said to enhance intuition and spiritual abilities. It is a stone that dispels melancholy and helps to create a strong core of one's true self. This bracelet uses 10mm beads of natural opal (蛋白石). It shines very gently. The natural gradation of white, transparent, and blue is beautiful. Suitable for those with a wrist circumference of up to approximately 18 cm. Men's and Women's Instant purchase OK! Power Stone Natural Stone Mineral Bracelet