Re-Cutting Emeralds- Resurrecting Beauty
Saturday, May 16th, 2009The classic emerald is a beautiful gemstone with a reputation for fragility. When you understand the rigors that emeralds undergo during their formation, you’ll see that this reputation is mostly undeserved. Colombian emeralds, for example, form when ocean sediments are compressed under tectonic plates and then are metamorphosed and uplifted to the top of the […]