Gembone is mineralized bone, often dinosaur bone, which has had the individual cells fossilized with precious minerals. It is one of four gemstones created from organisms (the others being Pearl, Ammolite, and Amber). Many minerals can be found in Gembone including hematite, iron, pyrite, jasper, marcasite, agate, quartz or other crystal.
- M. Buford. "Dinosaur Gembone Guide on Ebay". Ebay.com. Retrieved 2010-03-24.
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- Jessa Dow and Mark Buford. "Gem Dinosaur Bone~ Jewelry, Specimens and More by Different Seasons Jewelry". ganoksin.com. Archived from the original on 2011-09-26. Retrieved 2010-09-15.