world's largest emerald (size of a watermelon) Is this thing real?Probably not, It was dyed, so we'll never know what percentage is emerald, and what percentage is white beryl. It failed to sell at auction.
Diamonds are a hard crystalline form of carbon. These uncut diamonds are from the Russian State Precious Metals and Gemstones Collection Fund, part of the Russian Finance Ministry. Photographed in Moscow, in March
Silver Crystals: These silver crystals were electrochemically grown from a solution of silver nitrate, using silver electrodes. The field of view is 18 mm and is composed of 92 individual photos, combined using focus stacking.