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 (novel) but defers on the grounds that Hailey will soon visit. Aquamarine (novel) Aquamarine is a novel by Alice Hoffman, published in April 2001. A film adaptation was released in 2006, although the plot of the film bears little resemblance to that of the book. The story is based upon two schoolgirls, Hailey and Claire, who have lived as neighbors and best friends for many years. Their favorite place for amusement has been the Capri Beach Club for as long as they can remember. However, the Capri Beach Club has become ruinous via neglect by its staff. When Claire's grandparents, with