Reply To: Rough Chatham synthetic corundum › Forums › Cutting Material and Identification › Rough Chatham synthetic corundum › Reply To: Rough Chatham synthetic corundum March 31, 2016 at 4:59 am #2470 Gregory HaysParticipant @gregoryhays Hi Wayne, I purchased some red and orange direct from Chatham at the gjx Tucson show. It is still available but extremely pricey. I may have some interest depending on the colors. Greg Hays San Marcos
