Thank you for viewing. Set of 6 synthetic stones: 3 pieces of 6mm and 3 pieces of 8mm, in various colors, perfect for various designs. - Colors: 6mm Blue Spinel, Ruby, Aquamarine; 8mm Ruby, Blue Spinel, Topaz - Shape: Round - Quantity: Set of 6 Thank you for looking. I purchased these for making silver clay accessories, but I haven't been making them for a while, so I'm selling them. These are synthetic stones that can be fired with silver clay. Please feel free to ask if you have any questions. I may be slow to respond as I am working. Simple packaging. Packaging may be recycled materials. Thank you for your understanding. Although unused, there may be some fading or scratches due to home storage. I don't smoke, but I do have a cat. Please refrain from purchasing if you are looking for a perfect item.