Gemstone irradiation produce mixtures of blue and yellow-to-brown colors, so heating is required as an additional procedure to remove the yellowish color. In some cases, the new colors induced by artificial irradiation may fade rapidly when exposed to light or gentle heat, so some laboratories submit them to a "fade test" to determine color stability. Sometimes colorless or pink beryls become deep blue upon irradiation, which are called Maxixe-type beryl. However, the color easily fades when exposed to heat or light, so it has no practical jewelry application. Gemstone irradiation The gemstone irradiation is a process in which a gemstone is artificially
Aquamarine (film) Aquamarine (film) Aquamarine is a 2006 Australian-American teen fantasy comedy film starring Sara Paxton, Emma Roberts, and JoJo. The film, which was made in both the United States and Australia, was released in North America on March 3, 2006. The film was loosely based on a young adult novel of the same name by Alice Hoffman, and was directed by American director Elizabeth Allen Rosenbaum. The film was filmed in Queensland, Australia. 13-year-old best friends Claire Brown (Emma Roberts) and Hailey Rogers (JoJo) are upset to know that they will be separated in five days as Hailey has to move