This 7-piece Mexican Fire Opal assortment is a unique and colorful collection of raw earth-mined lapidary materials. The set includes a variety of color mixes, with a total weight of 27 carats, making it perfect for those interested in collecting rocks, fossils, and minerals for their lapidary projects. Although beautiful and stunning as is, each piece can offer a beautiful and vibrant finish when polished, cut, or cabbed, adding a touch of natural beauty to any project.