Peridot is the high-quality variety of the mineral olivine and is quite popular in jewellery. It is one of the few minerals found in a single color - dark green that resembles t...
Fancy diamonds are a rare type of diamonds characterized by bright colors - yellow, brown, blue, green, pink, red, black. It is much rarer than colorless diamonds, as about 1 in...
The topaz is a mineral belonging to the aluminum family. Its name derives from the ancient Greek word "Topazion", which, however, in ancient Greece, was used for the chrysolite....
During the last few months, we have often written about strikingly large diamonds unearthed in diamond mines all over the world. We take a note of those findings because discoverin...
Gold is since antiquity one of the most popular precious metals. Over time, gold was favored by people mainly because of its rarity and its properties. It has a distinctive colo...
Sapphire is one of the most widespread gems and one of two varieties of gems belonging to the corundum family. The second variety is ruby, that is, red corundum. Sapphire is usuall...
The 6.16-carat blue diamond with gray tones and a history spanning three centuries, Farnese Blue, was recently auctioned by Sotheby's. The diamond that originally belonged to the Q...
Lapis lazuli is a rock famous since ancient times for its bright blue color. It is a transformed rock, that is, a rock that has undergone changes in its composition and structure d...
