Super cool natural Orthoceras fossil cabachon stone set in a nicely crafted .925 sterling silver overlay ring. Base metal is copper, and like all my gemstone jewelry, is nickel-free. Size 9. Watch for more new, semi-precious gemstone jewelry featuring natural stones that include moonstone, amethyst, onyx, chrysocolla, labradorite, larimar, tourmaline, rutilated quartz, tiger's eye, jasper, moss agate, dendritic opal, flourite, turquoise, kyanite and much more. All are quality, giftworthy pieces at a fair price 💕🌹❤