Cavallini & Co. has taken their beautiful paper one step further! Cavallini's Minerology puzzle features a colorful index of precious gems and minerals. The puzzle has reproductions of beautiful rocks and minerals with names of each (in French) at the bottom. All puzzles are packaged in a 10 inch long cardboard tube, with puzzle pieces safely stored in a muslin bag inside. Finished puzzle measures 22 by 28 inches. Any puzzle fan is sure to enjoy these beautiful and challenging designs.