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) "mixed or average reviews." In its opening weekend, "Aquamarine" grossed $7.5 million in 2,512 theaters, ranking #5 at the box office. By the end of its run, the film grossed $18.6 million domestically, and $4.4 million internationally, for a worldwide total of $23 million. Two of the film's main stars, Emma Roberts and Sara Paxton, were featured on the soundtrack. JoJo, however, an accomplished singer with one album out did not take part. In 2008, La La Land Records released a limited edition CD (1000 pressings) of David Hirschfelder's score (incorporating the voice of Sara Paxton) for the film. Aquamarine