Tourmaline types, including red, green, blue, yellow and orange, colorless or white, black, variegated Po cat’s eye tourma... Read more

Beryl is a cesium in the presence of magnesium, while the Golden Beryl is a result of iron oxide coloring made of. Molecular .fo... Read more

The chromium, titanium and iron oxide was purple. The categories include ruby corundum, Star rubies, sapphires, Chromic Sapphire... Read more

Unlike other watch competitions, Baden - Baden Golden Rose Award works pay more attention to aesthetics and innovation. The King... Read more