Research & Medical Tourette Association Annual Scientific Meeting The Tourette Association of America will convene its annual scientific meeting on Thursday, April 20, 2017, at the Bethesda North...
Bort-like heavily twinned diamond from Congo. Bort or boart is a term used in the diamond industry to refer to shards of non-gem-grade/quality diamonds. In the manufacturing and heavy industries, bort is used to describe dark, imperfectly formed/crystallized diamonds of varying levels of opacity.
Tiffany Diamond: The Tiffany Diamond is one of the largest yellow diamonds ever discovered. It was discovered at the Kimberlite mine in South Africa in 1878 and was originally 287 carats. After being cut and polished into a cushion shape, it measured 128.54 carats and was classified as a fancy yellow.