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.
âCaratâ is a term used for the denoting the weight of gemstones. âKaratâ is a term that describes the purity level of gold. Karats are in a base 24 system, which is a fancy way of saying tkae the karats on your jewelry and divide it by 24 to get the percentage of pure gold. 24 karat (24k) is pure, 100% gold.