Black opal is one of the most precious among all opals. Almost all types of jewelry can be made from black opal. Opals and Opal jewelry have been adhered since antiquity. The Roman Pliny talks often about the magnificence of black opal. The great Shakespeare even had discussed the opals to his characters. They are talking about opals and even that day black Opal had not been found. Today the black opal is the symbol of natural beauty and represents Australians opal. People all over the world are talking about the magnificence of Australian black Opal. The black Opal has a very dark base. It is just like a glass of black paint. You put in some bright-colored pieces of plastic. If you put in some blues and some reds and some yellows, you will find a colorful base. You just put blues and greens in the black mix. In opal speak, we would call that blue/green on black. If the green color was the dominant color we would change it around and call it green/blue on black. So it is one color in the black opal range which is the best and the most expensive.Black opal is one of the most expensive opals all over the world. As it is small in size, the price is high and there are a variety of shapes so different types of rings, earrings, necklaces, and bracelets' tops can be made easily.