This piece is set with a matched pair of tanzanite’s weighing 30 carats, which can also be worn as earrings. It is part of the collection of the Smithsonian National Museum of Natural History in the US.
Weighing in at 16,839 carats. (Well over six pounds) and measuring 8.6 inches x 3.15 inches x 2.8 inches, this rough Tanzanite piece is impressive in both size and structure. According to known records, it’s the world’s largest single piece of Tanzanite to have ever been mined, and is believed to be held in a [...]