Price is for 12 pieces. (Please comment if you would like to add more.) Size: Approximately 15.5mm x 5.5mm x 14mm, thickness approximately 5.8mm, hole approximately 1.2mm Weight: Approximately 0.4g per piece *Due to the natural material, the colors are not uniform, and each piece has a different color and texture. Also, please understand that there may be variations in pattern, cracks, slight distortions, and color differences. *Instant purchase OK! How about using them as parts for earrings, bracelets, necklaces, hairpins, or straps?