Check out my other listings, all of these are from a private collection. If you are looking for a specific material, send me a message. I have over 200 pieces waiting to be listed. This listing is for the brown green, green and blue ones are listed on different listings. Material: brown zultanite diaspore from Turkey with gold plated silver minaret. Perfect cut, beads are very shinny and clean. Weight: 30.88gr Beads: ~8.1 mm x 8.1 Minaret: ~ 32mm x 6.3mm Bead to minaret length: 17 cm / 6.5" Hand made If you have any questions, please let us know. Items are measured by hand, please allow +/-5% tolerance.