A Cobalt Blue Spinel Cutting Challenge: Meeting an Almost Impossible Request from Germany
Liyanage Lapidary Gem Cutting Service from Sri Lanka Some cutting projects test the very limits of what rough material can deliver. This cobalt blue spinel from Matale, Sri Lanka, is one of those cases — a project that began with a request many cutters would have called unrealistic. A customer from Germany sent a 1.60 […]