Stone Words: Onyx: Protection against evil, warding off bad luck, dispelling negative energy, self-defense Luna Flash: Gentleness like being enveloped in moonlight, inner radiance, harmony Luna Flash is a synthetic glass material, but it is treated as a power stone like Hotaru glass. Its enchanting glow, as if blessed by moonlight, is its charm. A special film is placed between the glass layers, and it is carefully crafted with delicate techniques. Materials: Natural Stone Glass Bracelet Inner Diameter (Wrist Circumference): 15 cm Natural Stone Name: Onyx 8mm Synthetic Glass Name: Blue Luna Flash 10mm Since it uses elastic thread, it has some stretch and is easy to put on and take off. There are no noticeable scratches. The light from the lamp is reflected on the stones. This is not a pattern on the stones. The raw crystal is not included with the product. Only the bracelet is for sale. Due to the nature of natural stones, the patterns, colors, and textures vary from stone to stone. Please understand that this is also one of the charms of natural stones. This is a decluttering sale of beads that I bought in excess as a hobby. I apologize, but please refrain from purchasing if you are overly detail-oriented or fastidious. The natural stone names are listed as they were when I purchased them at the store. #PowerStone #NaturalStone #GlassBeads #Luna #Women's