Thank you for looking. A set of 6 synthetic stones, 3 x 6mm and 3 x 8mm, in various colors, perfect for a variety of 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 accessories with silver clay, but I haven't been making them for a while, so I'm putting them up for sale. These are synthetic stones that can be fired together with silver clay. Please feel free to ask any questions. I may be slow to respond as I am working. Simple packaging will be used. Packaging may be recycled for shipping. Thank you for your understanding. These are unused items, but due to home storage, there may be fading or scratches. I do not smoke, but I do have a cat. Please refrain from purchasing if you are looking for perfection.