Resurrect the glory and splendor of the Jurassic Era with one of our fossil eternity rings. Gembone is gem-quality, mineralized bone, which has had the individual cells fossilized with precious minerals. Enduring millions of years of dynamic geological pressures, the amazing gemstone featured in this collection is the epitome of resilience. If you're looking for a ring that represents your undying love, a dino bone ring is a magnificent choice. We guarantee that the gembone used to handcraft all of our eternity bands is real; each ring includes a certificate of authenticity.