WebIn the Smithsonian collection, the largest cut diamond is the Portuguese Diamond, weighing an astonishing 127.01 carats (just under one ounce)! The Oppenheimer Diamond at 253.7 … WebJeff Post has seen countless photos of gemstone inclusions in his work as curator of the Smithsonian's National Gem and Mineral Collection. “In the gem world … this is a very …

Smithsonite: The mineral smithsonite information and pictures

Web6.6K views 1 year ago In this video, we are looking at one of the most well known American gemstone designs and the one with the most names: the opposed bar, the Smithsonian … WebThe 330-ct Star of Asia is in the collection of the National Museum of Natural History – Chip Clark, courtesy Smithsonian Institution Traditionally, sapphire symbolizes nobility, truth, sincerity, and faithfulness. It has decorated the robes of … rotation tree

Amethyst Value, Price, and Jewelry Information - Gem Society

WebThe Mineral smithsonite. Smithsonite occurs in a wide variation of colors. Its typical globular habit and often vibrant colors make this a desirable mineral for collectors. Smithsonite is … WebThe first gem-quality gemstone, however, was first found in Burma, in the year 2000 – a 9.41-carat beauty that is currently exhibited in the Smithsonian Museum. Other … WebToday it is a minor ore of zinc, but in the early days of metallurgy it was one of the most important ores. Typical smithsonite colors are brown, gray, white, green, and yellow. … stow public schools