Semi precious cabochon stones with flat back. Measuring 25x18mm, Mexican Crazy lace stone. Color can go from palest tans and milk white with a little rust striation to more rust and black pooling with a bit of tan and cream. We cull our stones for quality to make sure of no cracks or chips and that the over-all appearance of the stone is very pleasing. You should expect variations in all natural, semi precious stones. No two will ever look alike, in fact, yours might like better than than the photo! Sorry we cannot take color requests. Sold by piece.