A classic crystal specimen of Tsumeb Mine Dioptase on Dolomite. A major crystal on the specimen measures to a good 1.7 cm with great emerald green colour and lustre. Several more crystals are in association on the display face.
What would you say when I ask which gemstone is the prettiest? Most will probably say diamond, ruby or sapphire. But I’m going to show you some of the most beautiful gemstones that you may not know. This list combines commonly known gems, like opal and amethyst, with some rare and exotic minerals. They represent some… Read More »50 Most Beautiful Gemstones You’ve Ever Seen