Agate is a variety of chalcedony, formed by irregular, successive layers of mineral. On Mohs scale agate is in the 6.5-7 classification, that is, one of the toughest materials and ...
Mr. George Tsangarakis will not present his Jewellery show today because of the tragic events that take place in the Attica region of Greece. GT Tsangarakis Group will support th...
Onyx is a gemstone, that is very popular in jewellery making. It belongs to the chalcedony family and along with agate, they are the most famous varieties of the mineral chalcedony...
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...
